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Finding the Third Proportional to 159,661.50 and 239,515.50

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Solution

The third proportional to 159,661.50 and 239,515.50 is: 359,308.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,661.50 : 239,515.50 = 239,515.50 : x
  2. Step 2: Convert to fraction form
    159,661.50/239,515.50 = 239,515.50/x
  3. Step 3: Cross multiply
    159,661.50x = 239,515.50 × 239,515.50
  4. Step 4: Simplify right side
    159,661.50x = 57,367,674,740.25
  5. Step 5: Solve for x
    x = 57,367,674,740.25/159,661.50
  6. Step 6: Final answer
    x = 359,308.13

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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.