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Finding the Third Proportional to 7,398.84 and 9,738.56

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Solution

The third proportional to 7,398.84 and 9,738.56 is: 12,818.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,398.84 : 9,738.56 = 9,738.56 : x
  2. Step 2: Convert to fraction form
    7,398.84/9,738.56 = 9,738.56/x
  3. Step 3: Cross multiply
    7,398.84x = 9,738.56 × 9,738.56
  4. Step 4: Simplify right side
    7,398.84x = 94,839,599.57
  5. Step 5: Solve for x
    x = 94,839,599.57/7,398.84
  6. Step 6: Final answer
    x = 12,818.16

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.