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Finding the Third Proportional to 67,488.75 and 148,203

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Solution

The third proportional to 67,488.75 and 148,203 is: 325,448.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,488.75 : 148,203 = 148,203 : x
  2. Step 2: Convert to fraction form
    67,488.75/148,203 = 148,203/x
  3. Step 3: Cross multiply
    67,488.75x = 148,203 × 148,203
  4. Step 4: Simplify right side
    67,488.75x = 21,964,129,209
  5. Step 5: Solve for x
    x = 21,964,129,209/67,488.75
  6. Step 6: Final answer
    x = 325,448.75

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.