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Finding the Third Proportional to 64,199.25 and 130,342.50

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Solution

The third proportional to 64,199.25 and 130,342.50 is: 264,631.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,199.25 : 130,342.50 = 130,342.50 : x
  2. Step 2: Convert to fraction form
    64,199.25/130,342.50 = 130,342.50/x
  3. Step 3: Cross multiply
    64,199.25x = 130,342.50 × 130,342.50
  4. Step 4: Simplify right side
    64,199.25x = 16,989,167,306.25
  5. Step 5: Solve for x
    x = 16,989,167,306.25/64,199.25
  6. Step 6: Final answer
    x = 264,631.87

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.