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Finding the Third Proportional to 99,255.38 and 153,808.88

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Solution

The third proportional to 99,255.38 and 153,808.88 is: 238,346.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,255.38 : 153,808.88 = 153,808.88 : x
  2. Step 2: Convert to fraction form
    99,255.38/153,808.88 = 153,808.88/x
  3. Step 3: Cross multiply
    99,255.38x = 153,808.88 × 153,808.88
  4. Step 4: Simplify right side
    99,255.38x = 23,657,170,028.77
  5. Step 5: Solve for x
    x = 23,657,170,028.77/99,255.38
  6. Step 6: Final answer
    x = 238,346.49

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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.