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Finding the Third Proportional to 99,150 and 216,352

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Solution

The third proportional to 99,150 and 216,352 is: 472,094.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,150 : 216,352 = 216,352 : x
  2. Step 2: Convert to fraction form
    99,150/216,352 = 216,352/x
  3. Step 3: Cross multiply
    99,150x = 216,352 × 216,352
  4. Step 4: Simplify right side
    99,150x = 46,808,187,904
  5. Step 5: Solve for x
    x = 46,808,187,904/99,150
  6. Step 6: Final answer
    x = 472,094.68

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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.