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Finding the Third Proportional to 238,228 and 361,716

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Solution

The third proportional to 238,228 and 361,716 is: 549,215.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,228 : 361,716 = 361,716 : x
  2. Step 2: Convert to fraction form
    238,228/361,716 = 361,716/x
  3. Step 3: Cross multiply
    238,228x = 361,716 × 361,716
  4. Step 4: Simplify right side
    238,228x = 130,838,464,656
  5. Step 5: Solve for x
    x = 130,838,464,656/238,228
  6. Step 6: Final answer
    x = 549,215.31

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.