Home / 284,070-621,591

Finding the Third Proportional to 284,070 and 621,591

Calculator

Solution

The third proportional to 284,070 and 621,591 is: 1,360,141.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,070 : 621,591 = 621,591 : x
  2. Step 2: Convert to fraction form
    284,070/621,591 = 621,591/x
  3. Step 3: Cross multiply
    284,070x = 621,591 × 621,591
  4. Step 4: Simplify right side
    284,070x = 386,375,371,281
  5. Step 5: Solve for x
    x = 386,375,371,281/284,070
  6. Step 6: Final answer
    x = 1,360,141.41

Related Problems

Find third proportional to 142,035 and 310,795.50
Half scale
Find third proportional to 568,140 and 1,243,182
Double scale
Find third proportional to 284,072 and 621,595
Similar ratio
Find third proportional to 426,105 and 932,386.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.