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Finding the Third Proportional to 66,037,492 and 89,677,242

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Solution

The third proportional to 66,037,492 and 89,677,242 is: 121,779,423.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,037,492 : 89,677,242 = 89,677,242 : x
  2. Step 2: Convert to fraction form
    66,037,492/89,677,242 = 89,677,242/x
  3. Step 3: Cross multiply
    66,037,492x = 89,677,242 × 89,677,242
  4. Step 4: Simplify right side
    66,037,492x = 8,042,007,732,726,564
  5. Step 5: Solve for x
    x = 8,042,007,732,726,564/66,037,492
  6. Step 6: Final answer
    x = 121,779,423.92

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.