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Finding the Third Proportional to 70,042.50 and 161,984.25

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Solution

The third proportional to 70,042.50 and 161,984.25 is: 374,613.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,042.50 : 161,984.25 = 161,984.25 : x
  2. Step 2: Convert to fraction form
    70,042.50/161,984.25 = 161,984.25/x
  3. Step 3: Cross multiply
    70,042.50x = 161,984.25 × 161,984.25
  4. Step 4: Simplify right side
    70,042.50x = 26,238,897,248.06
  5. Step 5: Solve for x
    x = 26,238,897,248.06/70,042.50
  6. Step 6: Final answer
    x = 374,613.95

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.