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Finding the Third Proportional to 238,734 and 518,154

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Solution

The third proportional to 238,734 and 518,154 is: 1,124,613.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,734 : 518,154 = 518,154 : x
  2. Step 2: Convert to fraction form
    238,734/518,154 = 518,154/x
  3. Step 3: Cross multiply
    238,734x = 518,154 × 518,154
  4. Step 4: Simplify right side
    238,734x = 268,483,567,716
  5. Step 5: Solve for x
    x = 268,483,567,716/238,734
  6. Step 6: Final answer
    x = 1,124,613.87

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.