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Finding the Third Proportional to 76,305 and 112,251.50

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Solution

The third proportional to 76,305 and 112,251.50 is: 165,132.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,305 : 112,251.50 = 112,251.50 : x
  2. Step 2: Convert to fraction form
    76,305/112,251.50 = 112,251.50/x
  3. Step 3: Cross multiply
    76,305x = 112,251.50 × 112,251.50
  4. Step 4: Simplify right side
    76,305x = 12,600,399,252.25
  5. Step 5: Solve for x
    x = 12,600,399,252.25/76,305
  6. Step 6: Final answer
    x = 165,132.03

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.