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Finding the Third Proportional to 7,488 and 16,440

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Solution

The third proportional to 7,488 and 16,440 is: 36,094.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488 : 16,440 = 16,440 : x
  2. Step 2: Convert to fraction form
    7,488/16,440 = 16,440/x
  3. Step 3: Cross multiply
    7,488x = 16,440 × 16,440
  4. Step 4: Simplify right side
    7,488x = 270,273,600
  5. Step 5: Solve for x
    x = 270,273,600/7,488
  6. Step 6: Final answer
    x = 36,094.23

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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.