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Finding the Third Proportional to 4,710.38 and 6,934.78

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Solution

The third proportional to 4,710.38 and 6,934.78 is: 10,209.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,710.38 : 6,934.78 = 6,934.78 : x
  2. Step 2: Convert to fraction form
    4,710.38/6,934.78 = 6,934.78/x
  3. Step 3: Cross multiply
    4,710.38x = 6,934.78 × 6,934.78
  4. Step 4: Simplify right side
    4,710.38x = 48,091,190.99
  5. Step 5: Solve for x
    x = 48,091,190.99/4,710.38
  6. Step 6: Final answer
    x = 10,209.63

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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.