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Finding the Third Proportional to 12,720.38 and 22,707

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Solution

The third proportional to 12,720.38 and 22,707 is: 40,534.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,720.38 : 22,707 = 22,707 : x
  2. Step 2: Convert to fraction form
    12,720.38/22,707 = 22,707/x
  3. Step 3: Cross multiply
    12,720.38x = 22,707 × 22,707
  4. Step 4: Simplify right side
    12,720.38x = 515,607,849
  5. Step 5: Solve for x
    x = 515,607,849/12,720.38
  6. Step 6: Final answer
    x = 40,534.01

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Why These Related Problems?

These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.