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Finding the Third Proportional to 1,271 and 2,359

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Solution

The third proportional to 1,271 and 2,359 is: 4,378.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271 : 2,359 = 2,359 : x
  2. Step 2: Convert to fraction form
    1,271/2,359 = 2,359/x
  3. Step 3: Cross multiply
    1,271x = 2,359 × 2,359
  4. Step 4: Simplify right side
    1,271x = 5,564,881
  5. Step 5: Solve for x
    x = 5,564,881/1,271
  6. Step 6: Final answer
    x = 4,378.35

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.