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Finding the Third Proportional to 237,376 and 317,080

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Solution

The third proportional to 237,376 and 317,080 is: 423,546.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,376 : 317,080 = 317,080 : x
  2. Step 2: Convert to fraction form
    237,376/317,080 = 317,080/x
  3. Step 3: Cross multiply
    237,376x = 317,080 × 317,080
  4. Step 4: Simplify right side
    237,376x = 100,539,726,400
  5. Step 5: Solve for x
    x = 100,539,726,400/237,376
  6. Step 6: Final answer
    x = 423,546.30

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.