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Finding the Third Proportional to 30,885,637.50 and 67,149,675

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Solution

The third proportional to 30,885,637.50 and 67,149,675 is: 145,992,740.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,885,637.50 : 67,149,675 = 67,149,675 : x
  2. Step 2: Convert to fraction form
    30,885,637.50/67,149,675 = 67,149,675/x
  3. Step 3: Cross multiply
    30,885,637.50x = 67,149,675 × 67,149,675
  4. Step 4: Simplify right side
    30,885,637.50x = 4,509,078,852,605,625
  5. Step 5: Solve for x
    x = 4,509,078,852,605,625/30,885,637.50
  6. Step 6: Final answer
    x = 145,992,740.24

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.