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Finding the Third Proportional to 13,719,745 and 20,200,579

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Solution

The third proportional to 13,719,745 and 20,200,579 is: 29,742,782.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,719,745 : 20,200,579 = 20,200,579 : x
  2. Step 2: Convert to fraction form
    13,719,745/20,200,579 = 20,200,579/x
  3. Step 3: Cross multiply
    13,719,745x = 20,200,579 × 20,200,579
  4. Step 4: Simplify right side
    13,719,745x = 408,063,391,935,241
  5. Step 5: Solve for x
    x = 408,063,391,935,241/13,719,745
  6. Step 6: Final answer
    x = 29,742,782.53

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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.