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Finding the Third Proportional to 87,025,430 and 130,538,145

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Solution

The third proportional to 87,025,430 and 130,538,145 is: 195,807,217.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,025,430 : 130,538,145 = 130,538,145 : x
  2. Step 2: Convert to fraction form
    87,025,430/130,538,145 = 130,538,145/x
  3. Step 3: Cross multiply
    87,025,430x = 130,538,145 × 130,538,145
  4. Step 4: Simplify right side
    87,025,430x = 17,040,207,300,041,024
  5. Step 5: Solve for x
    x = 17,040,207,300,041,024/87,025,430
  6. Step 6: Final answer
    x = 195,807,217.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.