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Finding the Third Proportional to 76,972 and 118,617

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Solution

The third proportional to 76,972 and 118,617 is: 182,793.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,972 : 118,617 = 118,617 : x
  2. Step 2: Convert to fraction form
    76,972/118,617 = 118,617/x
  3. Step 3: Cross multiply
    76,972x = 118,617 × 118,617
  4. Step 4: Simplify right side
    76,972x = 14,069,992,689
  5. Step 5: Solve for x
    x = 14,069,992,689/76,972
  6. Step 6: Final answer
    x = 182,793.65

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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.