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Finding the Third Proportional to 13,830,729 and 20,297,685

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Solution

The third proportional to 13,830,729 and 20,297,685 is: 29,788,452.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,830,729 : 20,297,685 = 20,297,685 : x
  2. Step 2: Convert to fraction form
    13,830,729/20,297,685 = 20,297,685/x
  3. Step 3: Cross multiply
    13,830,729x = 20,297,685 × 20,297,685
  4. Step 4: Simplify right side
    13,830,729x = 411,996,016,359,225
  5. Step 5: Solve for x
    x = 411,996,016,359,225/13,830,729
  6. Step 6: Final answer
    x = 29,788,452.68

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.