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Finding the Third Proportional to 7,479.84 and 15,959.53

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Solution

The third proportional to 7,479.84 and 15,959.53 is: 34,052.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.84 : 15,959.53 = 15,959.53 : x
  2. Step 2: Convert to fraction form
    7,479.84/15,959.53 = 15,959.53/x
  3. Step 3: Cross multiply
    7,479.84x = 15,959.53 × 15,959.53
  4. Step 4: Simplify right side
    7,479.84x = 254,706,637.72
  5. Step 5: Solve for x
    x = 254,706,637.72/7,479.84
  6. Step 6: Final answer
    x = 34,052.40

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.