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Finding the Third Proportional to 99,191.67 and 153,254.53

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Solution

The third proportional to 99,191.67 and 153,254.53 is: 236,783.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,191.67 : 153,254.53 = 153,254.53 : x
  2. Step 2: Convert to fraction form
    99,191.67/153,254.53 = 153,254.53/x
  3. Step 3: Cross multiply
    99,191.67x = 153,254.53 × 153,254.53
  4. Step 4: Simplify right side
    99,191.67x = 23,486,951,348.66
  5. Step 5: Solve for x
    x = 23,486,951,348.66/99,191.67
  6. Step 6: Final answer
    x = 236,783.50

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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.