Home / 20,313,109.13-31,488,274.13

Finding the Third Proportional to 20,313,109.13 and 31,488,274.13

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Solution

The third proportional to 20,313,109.13 and 31,488,274.13 is: 48,811,405.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,313,109.13 : 31,488,274.13 = 31,488,274.13 : x
  2. Step 2: Convert to fraction form
    20,313,109.13/31,488,274.13 = 31,488,274.13/x
  3. Step 3: Cross multiply
    20,313,109.13x = 31,488,274.13 × 31,488,274.13
  4. Step 4: Simplify right side
    20,313,109.13x = 991,511,407,371,144.50
  5. Step 5: Solve for x
    x = 991,511,407,371,144.50/20,313,109.13
  6. Step 6: Final answer
    x = 48,811,405.54

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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.