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Finding the Third Proportional to 165,348 and 247,656

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Solution

The third proportional to 165,348 and 247,656 is: 370,935.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,348 : 247,656 = 247,656 : x
  2. Step 2: Convert to fraction form
    165,348/247,656 = 247,656/x
  3. Step 3: Cross multiply
    165,348x = 247,656 × 247,656
  4. Step 4: Simplify right side
    165,348x = 61,333,494,336
  5. Step 5: Solve for x
    x = 61,333,494,336/165,348
  6. Step 6: Final answer
    x = 370,935.81

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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.