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Finding the Third Proportional to 98,857.88 and 153,202.50

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Solution

The third proportional to 98,857.88 and 153,202.50 is: 237,421.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,857.88 : 153,202.50 = 153,202.50 : x
  2. Step 2: Convert to fraction form
    98,857.88/153,202.50 = 153,202.50/x
  3. Step 3: Cross multiply
    98,857.88x = 153,202.50 × 153,202.50
  4. Step 4: Simplify right side
    98,857.88x = 23,471,006,006.25
  5. Step 5: Solve for x
    x = 23,471,006,006.25/98,857.88
  6. Step 6: Final answer
    x = 237,421.71

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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.