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Finding the Third Proportional to 99,739.13 and 149,680.13

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Solution

The third proportional to 99,739.13 and 149,680.13 is: 224,627.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,739.13 : 149,680.13 = 149,680.13 : x
  2. Step 2: Convert to fraction form
    99,739.13/149,680.13 = 149,680.13/x
  3. Step 3: Cross multiply
    99,739.13x = 149,680.13 × 149,680.13
  4. Step 4: Simplify right side
    99,739.13x = 22,404,139,820.02
  5. Step 5: Solve for x
    x = 22,404,139,820.02/99,739.13
  6. Step 6: Final answer
    x = 224,627.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.