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Finding the Third Proportional to 74,758 and 114,472

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Solution

The third proportional to 74,758 and 114,472 is: 175,283.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,758 : 114,472 = 114,472 : x
  2. Step 2: Convert to fraction form
    74,758/114,472 = 114,472/x
  3. Step 3: Cross multiply
    74,758x = 114,472 × 114,472
  4. Step 4: Simplify right side
    74,758x = 13,103,838,784
  5. Step 5: Solve for x
    x = 13,103,838,784/74,758
  6. Step 6: Final answer
    x = 175,283.43

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.