Home / 645,798-886,508

Finding the Third Proportional to 645,798 and 886,508

Calculator

Solution

The third proportional to 645,798 and 886,508 is: 1,216,938.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,798 : 886,508 = 886,508 : x
  2. Step 2: Convert to fraction form
    645,798/886,508 = 886,508/x
  3. Step 3: Cross multiply
    645,798x = 886,508 × 886,508
  4. Step 4: Simplify right side
    645,798x = 785,896,434,064
  5. Step 5: Solve for x
    x = 785,896,434,064/645,798
  6. Step 6: Final answer
    x = 1,216,938.48

Related Problems

Find third proportional to 322,899 and 443,254
Half scale
Find third proportional to 1,291,596 and 1,773,016
Double scale
Find third proportional to 645,800 and 886,511
Similar ratio
Find third proportional to 968,697 and 1,329,762
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.