Home / 487,356-757,533

Finding the Third Proportional to 487,356 and 757,533

Calculator

Solution

The third proportional to 487,356 and 757,533 is: 1,177,488.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,356 : 757,533 = 757,533 : x
  2. Step 2: Convert to fraction form
    487,356/757,533 = 757,533/x
  3. Step 3: Cross multiply
    487,356x = 757,533 × 757,533
  4. Step 4: Simplify right side
    487,356x = 573,856,246,089
  5. Step 5: Solve for x
    x = 573,856,246,089/487,356
  6. Step 6: Final answer
    x = 1,177,488.83

Related Problems

Find third proportional to 243,678 and 378,766.50
Half scale
Find third proportional to 974,712 and 1,515,066
Double scale
Find third proportional to 487,358 and 757,536
Similar ratio
Find third proportional to 731,034 and 1,136,299.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.