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Finding the Third Proportional to 1,770.38 and 2,656.88

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Solution

The third proportional to 1,770.38 and 2,656.88 is: 3,987.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770.38 : 2,656.88 = 2,656.88 : x
  2. Step 2: Convert to fraction form
    1,770.38/2,656.88 = 2,656.88/x
  3. Step 3: Cross multiply
    1,770.38x = 2,656.88 × 2,656.88
  4. Step 4: Simplify right side
    1,770.38x = 7,058,984.77
  5. Step 5: Solve for x
    x = 7,058,984.77/1,770.38
  6. Step 6: Final answer
    x = 3,987.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.