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Finding the Third Proportional to 67,898 and 99,765.75

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Solution

The third proportional to 67,898 and 99,765.75 is: 146,590.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,898 : 99,765.75 = 99,765.75 : x
  2. Step 2: Convert to fraction form
    67,898/99,765.75 = 99,765.75/x
  3. Step 3: Cross multiply
    67,898x = 99,765.75 × 99,765.75
  4. Step 4: Simplify right side
    67,898x = 9,953,204,873.06
  5. Step 5: Solve for x
    x = 9,953,204,873.06/67,898
  6. Step 6: Final answer
    x = 146,590.55

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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.