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Finding the Third Proportional to 7,332 and 8,340

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Solution

The third proportional to 7,332 and 8,340 is: 9,486.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332 : 8,340 = 8,340 : x
  2. Step 2: Convert to fraction form
    7,332/8,340 = 8,340/x
  3. Step 3: Cross multiply
    7,332x = 8,340 × 8,340
  4. Step 4: Simplify right side
    7,332x = 69,555,600
  5. Step 5: Solve for x
    x = 69,555,600/7,332
  6. Step 6: Final answer
    x = 9,486.58

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.