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Finding the Third Proportional to 66,612,274.50 and 99,918,405

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Solution

The third proportional to 66,612,274.50 and 99,918,405 is: 149,877,597.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,612,274.50 : 99,918,405 = 99,918,405 : x
  2. Step 2: Convert to fraction form
    66,612,274.50/99,918,405 = 99,918,405/x
  3. Step 3: Cross multiply
    66,612,274.50x = 99,918,405 × 99,918,405
  4. Step 4: Simplify right side
    66,612,274.50x = 9,983,687,657,744,024
  5. Step 5: Solve for x
    x = 9,983,687,657,744,024/66,612,274.50
  6. Step 6: Final answer
    x = 149,877,597.38

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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.