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Finding the Third Proportional to 709.81 and 1,532.19

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Solution

The third proportional to 709.81 and 1,532.19 is: 3,307.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    709.81 : 1,532.19 = 1,532.19 : x
  2. Step 2: Convert to fraction form
    709.81/1,532.19 = 1,532.19/x
  3. Step 3: Cross multiply
    709.81x = 1,532.19 × 1,532.19
  4. Step 4: Simplify right side
    709.81x = 2,347,598.54
  5. Step 5: Solve for x
    x = 2,347,598.54/709.81
  6. Step 6: Final answer
    x = 3,307.35

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.