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Finding the Third Proportional to 66,704,832 and 99,664,472

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Solution

The third proportional to 66,704,832 and 99,664,472 is: 148,909,856.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,704,832 : 99,664,472 = 99,664,472 : x
  2. Step 2: Convert to fraction form
    66,704,832/99,664,472 = 99,664,472/x
  3. Step 3: Cross multiply
    66,704,832x = 99,664,472 × 99,664,472
  4. Step 4: Simplify right side
    66,704,832x = 9,933,006,979,038,784
  5. Step 5: Solve for x
    x = 9,933,006,979,038,784/66,704,832
  6. Step 6: Final answer
    x = 148,909,856.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.