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Finding the Third Proportional to 169,515 and 247,782.38

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Solution

The third proportional to 169,515 and 247,782.38 is: 362,186.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,515 : 247,782.38 = 247,782.38 : x
  2. Step 2: Convert to fraction form
    169,515/247,782.38 = 247,782.38/x
  3. Step 3: Cross multiply
    169,515x = 247,782.38 × 247,782.38
  4. Step 4: Simplify right side
    169,515x = 61,396,105,360.64
  5. Step 5: Solve for x
    x = 61,396,105,360.64/169,515
  6. Step 6: Final answer
    x = 362,186.86

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.