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Finding the Third Proportional to 27,810.75 and 43,066.13

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Solution

The third proportional to 27,810.75 and 43,066.13 is: 66,689.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,810.75 : 43,066.13 = 43,066.13 : x
  2. Step 2: Convert to fraction form
    27,810.75/43,066.13 = 43,066.13/x
  3. Step 3: Cross multiply
    27,810.75x = 43,066.13 × 43,066.13
  4. Step 4: Simplify right side
    27,810.75x = 1,854,691,122.52
  5. Step 5: Solve for x
    x = 1,854,691,122.52/27,810.75
  6. Step 6: Final answer
    x = 66,689.72

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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.