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Finding the Third Proportional to 61,509.38 and 80,767.13

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Solution

The third proportional to 61,509.38 and 80,767.13 is: 106,054.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,509.38 : 80,767.13 = 80,767.13 : x
  2. Step 2: Convert to fraction form
    61,509.38/80,767.13 = 80,767.13/x
  3. Step 3: Cross multiply
    61,509.38x = 80,767.13 × 80,767.13
  4. Step 4: Simplify right side
    61,509.38x = 6,523,328,480.77
  5. Step 5: Solve for x
    x = 6,523,328,480.77/61,509.38
  6. Step 6: Final answer
    x = 106,054.22

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.