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Finding the Third Proportional to 15,528 and 33,518

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Solution

The third proportional to 15,528 and 33,518 is: 72,350.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,528 : 33,518 = 33,518 : x
  2. Step 2: Convert to fraction form
    15,528/33,518 = 33,518/x
  3. Step 3: Cross multiply
    15,528x = 33,518 × 33,518
  4. Step 4: Simplify right side
    15,528x = 1,123,456,324
  5. Step 5: Solve for x
    x = 1,123,456,324/15,528
  6. Step 6: Final answer
    x = 72,350.36

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.