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Finding the Third Proportional to 1,971 and 4,053.38

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Solution

The third proportional to 1,971 and 4,053.38 is: 8,335.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971 : 4,053.38 = 4,053.38 : x
  2. Step 2: Convert to fraction form
    1,971/4,053.38 = 4,053.38/x
  3. Step 3: Cross multiply
    1,971x = 4,053.38 × 4,053.38
  4. Step 4: Simplify right side
    1,971x = 16,429,848.89
  5. Step 5: Solve for x
    x = 16,429,848.89/1,971
  6. Step 6: Final answer
    x = 8,335.79

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.