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Finding the Third Proportional to 145,119.75 and 224,149.50

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Solution

The third proportional to 145,119.75 and 224,149.50 is: 346,217.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,119.75 : 224,149.50 = 224,149.50 : x
  2. Step 2: Convert to fraction form
    145,119.75/224,149.50 = 224,149.50/x
  3. Step 3: Cross multiply
    145,119.75x = 224,149.50 × 224,149.50
  4. Step 4: Simplify right side
    145,119.75x = 50,242,998,350.25
  5. Step 5: Solve for x
    x = 50,242,998,350.25/145,119.75
  6. Step 6: Final answer
    x = 346,217.51

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.