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Finding the Third Proportional to 135,964.75 and 291,612.50

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Solution

The third proportional to 135,964.75 and 291,612.50 is: 625,440.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,964.75 : 291,612.50 = 291,612.50 : x
  2. Step 2: Convert to fraction form
    135,964.75/291,612.50 = 291,612.50/x
  3. Step 3: Cross multiply
    135,964.75x = 291,612.50 × 291,612.50
  4. Step 4: Simplify right side
    135,964.75x = 85,037,850,156.25
  5. Step 5: Solve for x
    x = 85,037,850,156.25/135,964.75
  6. Step 6: Final answer
    x = 625,440.42

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.