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Finding the Third Proportional to 20,313,058.50 and 31,488,169.50

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Solution

The third proportional to 20,313,058.50 and 31,488,169.50 is: 48,811,202.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,313,058.50 : 31,488,169.50 = 31,488,169.50 : x
  2. Step 2: Convert to fraction form
    20,313,058.50/31,488,169.50 = 31,488,169.50/x
  3. Step 3: Cross multiply
    20,313,058.50x = 31,488,169.50 × 31,488,169.50
  4. Step 4: Simplify right side
    20,313,058.50x = 991,504,818,460,730.25
  5. Step 5: Solve for x
    x = 991,504,818,460,730.25/20,313,058.50
  6. Step 6: Final answer
    x = 48,811,202.83

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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.