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Finding the Third Proportional to 45,288 and 99,324

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Solution

The third proportional to 45,288 and 99,324 is: 217,833.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,288 : 99,324 = 99,324 : x
  2. Step 2: Convert to fraction form
    45,288/99,324 = 99,324/x
  3. Step 3: Cross multiply
    45,288x = 99,324 × 99,324
  4. Step 4: Simplify right side
    45,288x = 9,865,256,976
  5. Step 5: Solve for x
    x = 9,865,256,976/45,288
  6. Step 6: Final answer
    x = 217,833.80

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.