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Finding the Third Proportional to 13,361,206 and 20,655,387

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Solution

The third proportional to 13,361,206 and 20,655,387 is: 31,931,624.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361,206 : 20,655,387 = 20,655,387 : x
  2. Step 2: Convert to fraction form
    13,361,206/20,655,387 = 20,655,387/x
  3. Step 3: Cross multiply
    13,361,206x = 20,655,387 × 20,655,387
  4. Step 4: Simplify right side
    13,361,206x = 426,645,012,119,769
  5. Step 5: Solve for x
    x = 426,645,012,119,769/13,361,206
  6. Step 6: Final answer
    x = 31,931,624.44

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.