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Finding the Third Proportional to 98,478 and 237,418

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Solution

The third proportional to 98,478 and 237,418 is: 572,384.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,478 : 237,418 = 237,418 : x
  2. Step 2: Convert to fraction form
    98,478/237,418 = 237,418/x
  3. Step 3: Cross multiply
    98,478x = 237,418 × 237,418
  4. Step 4: Simplify right side
    98,478x = 56,367,306,724
  5. Step 5: Solve for x
    x = 56,367,306,724/98,478
  6. Step 6: Final answer
    x = 572,384.76

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.