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Finding the Third Proportional to 64,959 and 125,116.50

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Solution

The third proportional to 64,959 and 125,116.50 is: 240,984.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,959 : 125,116.50 = 125,116.50 : x
  2. Step 2: Convert to fraction form
    64,959/125,116.50 = 125,116.50/x
  3. Step 3: Cross multiply
    64,959x = 125,116.50 × 125,116.50
  4. Step 4: Simplify right side
    64,959x = 15,654,138,572.25
  5. Step 5: Solve for x
    x = 15,654,138,572.25/64,959
  6. Step 6: Final answer
    x = 240,984.91

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Why These Related Problems?

These problems maintain the same ratio (1.93) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.