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Finding the Third Proportional to 361,239 and 562,539

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Solution

The third proportional to 361,239 and 562,539 is: 876,013.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,239 : 562,539 = 562,539 : x
  2. Step 2: Convert to fraction form
    361,239/562,539 = 562,539/x
  3. Step 3: Cross multiply
    361,239x = 562,539 × 562,539
  4. Step 4: Simplify right side
    361,239x = 316,450,126,521
  5. Step 5: Solve for x
    x = 316,450,126,521/361,239
  6. Step 6: Final answer
    x = 876,013.18

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.