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Finding the Third Proportional to 934.88 and 2,421.56

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Solution

The third proportional to 934.88 and 2,421.56 is: 6,272.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    934.88 : 2,421.56 = 2,421.56 : x
  2. Step 2: Convert to fraction form
    934.88/2,421.56 = 2,421.56/x
  3. Step 3: Cross multiply
    934.88x = 2,421.56 × 2,421.56
  4. Step 4: Simplify right side
    934.88x = 5,863,964.94
  5. Step 5: Solve for x
    x = 5,863,964.94/934.88
  6. Step 6: Final answer
    x = 6,272.46

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Why These Related Problems?

These problems maintain the same ratio (2.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.