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Finding the Third Proportional to 155,580.75 and 239,020.88

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Solution

The third proportional to 155,580.75 and 239,020.88 is: 367,211.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,580.75 : 239,020.88 = 239,020.88 : x
  2. Step 2: Convert to fraction form
    155,580.75/239,020.88 = 239,020.88/x
  3. Step 3: Cross multiply
    155,580.75x = 239,020.88 × 239,020.88
  4. Step 4: Simplify right side
    155,580.75x = 57,130,978,685.77
  5. Step 5: Solve for x
    x = 57,130,978,685.77/155,580.75
  6. Step 6: Final answer
    x = 367,211.10

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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.