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Finding the Third Proportional to 76,976 and 118,624

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Solution

The third proportional to 76,976 and 118,624 is: 182,805.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,976 : 118,624 = 118,624 : x
  2. Step 2: Convert to fraction form
    76,976/118,624 = 118,624/x
  3. Step 3: Cross multiply
    76,976x = 118,624 × 118,624
  4. Step 4: Simplify right side
    76,976x = 14,071,653,376
  5. Step 5: Solve for x
    x = 14,071,653,376/76,976
  6. Step 6: Final answer
    x = 182,805.72

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.