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Finding the Third Proportional to 565.31 and 963.84

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Solution

The third proportional to 565.31 and 963.84 is: 1,643.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    565.31 : 963.84 = 963.84 : x
  2. Step 2: Convert to fraction form
    565.31/963.84 = 963.84/x
  3. Step 3: Cross multiply
    565.31x = 963.84 × 963.84
  4. Step 4: Simplify right side
    565.31x = 928,994.77
  5. Step 5: Solve for x
    x = 928,994.77/565.31
  6. Step 6: Final answer
    x = 1,643.33

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Why These Related Problems?

These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.