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Finding the Third Proportional to 8,725,255 and 18,663,566

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Solution

The third proportional to 8,725,255 and 18,663,566 is: 39,921,892.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725,255 : 18,663,566 = 18,663,566 : x
  2. Step 2: Convert to fraction form
    8,725,255/18,663,566 = 18,663,566/x
  3. Step 3: Cross multiply
    8,725,255x = 18,663,566 × 18,663,566
  4. Step 4: Simplify right side
    8,725,255x = 348,328,695,836,356
  5. Step 5: Solve for x
    x = 348,328,695,836,356/8,725,255
  6. Step 6: Final answer
    x = 39,921,892.92

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.