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Finding the Third Proportional to 7,479 and 10,959.75

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Solution

The third proportional to 7,479 and 10,959.75 is: 16,060.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479 : 10,959.75 = 10,959.75 : x
  2. Step 2: Convert to fraction form
    7,479/10,959.75 = 10,959.75/x
  3. Step 3: Cross multiply
    7,479x = 10,959.75 × 10,959.75
  4. Step 4: Simplify right side
    7,479x = 120,116,120.06
  5. Step 5: Solve for x
    x = 120,116,120.06/7,479
  6. Step 6: Final answer
    x = 16,060.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.