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Finding the Third Proportional to 13,808,929 and 20,713,386

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Solution

The third proportional to 13,808,929 and 20,713,386 is: 31,070,067.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,808,929 : 20,713,386 = 20,713,386 : x
  2. Step 2: Convert to fraction form
    13,808,929/20,713,386 = 20,713,386/x
  3. Step 3: Cross multiply
    13,808,929x = 20,713,386 × 20,713,386
  4. Step 4: Simplify right side
    13,808,929x = 429,044,359,584,996
  5. Step 5: Solve for x
    x = 429,044,359,584,996/13,808,929
  6. Step 6: Final answer
    x = 31,070,067.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.