Home / 428,301,789-577,879,672

Finding the Third Proportional to 428,301,789 and 577,879,672

Calculator

Solution

The third proportional to 428,301,789 and 577,879,672 is: 779,695,354.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,301,789 : 577,879,672 = 577,879,672 : x
  2. Step 2: Convert to fraction form
    428,301,789/577,879,672 = 577,879,672/x
  3. Step 3: Cross multiply
    428,301,789x = 577,879,672 × 577,879,672
  4. Step 4: Simplify right side
    428,301,789x = 333,944,915,310,827,584
  5. Step 5: Solve for x
    x = 333,944,915,310,827,584/428,301,789
  6. Step 6: Final answer
    x = 779,695,354.74

Related Problems

Find third proportional to 214,150,894.50 and 288,939,836
Half scale
Find third proportional to 856,603,578 and 1,155,759,344
Double scale
Find third proportional to 428,301,791 and 577,879,675
Similar ratio
Find third proportional to 642,452,683.50 and 866,819,508
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.