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Finding the Third Proportional to 13,105,486 and 20,513,846

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Solution

The third proportional to 13,105,486 and 20,513,846 is: 32,110,055.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,105,486 : 20,513,846 = 20,513,846 : x
  2. Step 2: Convert to fraction form
    13,105,486/20,513,846 = 20,513,846/x
  3. Step 3: Cross multiply
    13,105,486x = 20,513,846 × 20,513,846
  4. Step 4: Simplify right side
    13,105,486x = 420,817,877,711,716
  5. Step 5: Solve for x
    x = 420,817,877,711,716/13,105,486
  6. Step 6: Final answer
    x = 32,110,055.11

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.