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Finding the Third Proportional to 31,569.75 and 74,206.13

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Solution

The third proportional to 31,569.75 and 74,206.13 is: 174,424.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,569.75 : 74,206.13 = 74,206.13 : x
  2. Step 2: Convert to fraction form
    31,569.75/74,206.13 = 74,206.13/x
  3. Step 3: Cross multiply
    31,569.75x = 74,206.13 × 74,206.13
  4. Step 4: Simplify right side
    31,569.75x = 5,506,548,987.52
  5. Step 5: Solve for x
    x = 5,506,548,987.52/31,569.75
  6. Step 6: Final answer
    x = 174,424.85

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.