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Finding the Third Proportional to 977.91 and 2,257.03

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Solution

The third proportional to 977.91 and 2,257.03 is: 5,209.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    977.91 : 2,257.03 = 2,257.03 : x
  2. Step 2: Convert to fraction form
    977.91/2,257.03 = 2,257.03/x
  3. Step 3: Cross multiply
    977.91x = 2,257.03 × 2,257.03
  4. Step 4: Simplify right side
    977.91x = 5,094,190.06
  5. Step 5: Solve for x
    x = 5,094,190.06/977.91
  6. Step 6: Final answer
    x = 5,209.28

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.