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Finding the Third Proportional to 155,867.06 and 251,013.38

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Solution

The third proportional to 155,867.06 and 251,013.38 is: 404,240.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,867.06 : 251,013.38 = 251,013.38 : x
  2. Step 2: Convert to fraction form
    155,867.06/251,013.38 = 251,013.38/x
  3. Step 3: Cross multiply
    155,867.06x = 251,013.38 × 251,013.38
  4. Step 4: Simplify right side
    155,867.06x = 63,007,714,428.89
  5. Step 5: Solve for x
    x = 63,007,714,428.89/155,867.06
  6. Step 6: Final answer
    x = 404,240.08

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.