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Finding the Third Proportional to 98,838 and 217,362

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Solution

The third proportional to 98,838 and 217,362 is: 478,016.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,838 : 217,362 = 217,362 : x
  2. Step 2: Convert to fraction form
    98,838/217,362 = 217,362/x
  3. Step 3: Cross multiply
    98,838x = 217,362 × 217,362
  4. Step 4: Simplify right side
    98,838x = 47,246,239,044
  5. Step 5: Solve for x
    x = 47,246,239,044/98,838
  6. Step 6: Final answer
    x = 478,016.95

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.