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Finding the Third Proportional to 242,452 and 518,600

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Solution

The third proportional to 242,452 and 518,600 is: 1,109,275.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,452 : 518,600 = 518,600 : x
  2. Step 2: Convert to fraction form
    242,452/518,600 = 518,600/x
  3. Step 3: Cross multiply
    242,452x = 518,600 × 518,600
  4. Step 4: Simplify right side
    242,452x = 268,945,960,000
  5. Step 5: Solve for x
    x = 268,945,960,000/242,452
  6. Step 6: Final answer
    x = 1,109,275.07

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.