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Finding the Third Proportional to 84,752 and 125,680

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Solution

The third proportional to 84,752 and 125,680 is: 186,372.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,752 : 125,680 = 125,680 : x
  2. Step 2: Convert to fraction form
    84,752/125,680 = 125,680/x
  3. Step 3: Cross multiply
    84,752x = 125,680 × 125,680
  4. Step 4: Simplify right side
    84,752x = 15,795,462,400
  5. Step 5: Solve for x
    x = 15,795,462,400/84,752
  6. Step 6: Final answer
    x = 186,372.74

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.