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Finding the Third Proportional to 98,948.25 and 153,387

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Solution

The third proportional to 98,948.25 and 153,387 is: 237,776.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,948.25 : 153,387 = 153,387 : x
  2. Step 2: Convert to fraction form
    98,948.25/153,387 = 153,387/x
  3. Step 3: Cross multiply
    98,948.25x = 153,387 × 153,387
  4. Step 4: Simplify right side
    98,948.25x = 23,527,571,769
  5. Step 5: Solve for x
    x = 23,527,571,769/98,948.25
  6. Step 6: Final answer
    x = 237,776.53

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.