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Finding the Third Proportional to 237,272 and 518,316

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Solution

The third proportional to 237,272 and 518,316 is: 1,132,251.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,272 : 518,316 = 518,316 : x
  2. Step 2: Convert to fraction form
    237,272/518,316 = 518,316/x
  3. Step 3: Cross multiply
    237,272x = 518,316 × 518,316
  4. Step 4: Simplify right side
    237,272x = 268,651,475,856
  5. Step 5: Solve for x
    x = 268,651,475,856/237,272
  6. Step 6: Final answer
    x = 1,132,251.07

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.