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Finding the Third Proportional to 5,210 and 6,943

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Solution

The third proportional to 5,210 and 6,943 is: 9,252.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210 : 6,943 = 6,943 : x
  2. Step 2: Convert to fraction form
    5,210/6,943 = 6,943/x
  3. Step 3: Cross multiply
    5,210x = 6,943 × 6,943
  4. Step 4: Simplify right side
    5,210x = 48,205,249
  5. Step 5: Solve for x
    x = 48,205,249/5,210
  6. Step 6: Final answer
    x = 9,252.45

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.