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Finding the Third Proportional to 98,270.25 and 155,857.50

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Solution

The third proportional to 98,270.25 and 155,857.50 is: 247,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,270.25 : 155,857.50 = 155,857.50 : x
  2. Step 2: Convert to fraction form
    98,270.25/155,857.50 = 155,857.50/x
  3. Step 3: Cross multiply
    98,270.25x = 155,857.50 × 155,857.50
  4. Step 4: Simplify right side
    98,270.25x = 24,291,560,306.25
  5. Step 5: Solve for x
    x = 24,291,560,306.25/98,270.25
  6. Step 6: Final answer
    x = 247,191.40

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.