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Finding the Third Proportional to 7,068 and 15,210

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Solution

The third proportional to 7,068 and 15,210 is: 32,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068 : 15,210 = 15,210 : x
  2. Step 2: Convert to fraction form
    7,068/15,210 = 15,210/x
  3. Step 3: Cross multiply
    7,068x = 15,210 × 15,210
  4. Step 4: Simplify right side
    7,068x = 231,344,100
  5. Step 5: Solve for x
    x = 231,344,100/7,068
  6. Step 6: Final answer
    x = 32,731.20

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.