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Finding the Third Proportional to 716.63 and 1,569.38

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Solution

The third proportional to 716.63 and 1,569.38 is: 3,436.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    716.63 : 1,569.38 = 1,569.38 : x
  2. Step 2: Convert to fraction form
    716.63/1,569.38 = 1,569.38/x
  3. Step 3: Cross multiply
    716.63x = 1,569.38 × 1,569.38
  4. Step 4: Simplify right side
    716.63x = 2,462,937.89
  5. Step 5: Solve for x
    x = 2,462,937.89/716.63
  6. Step 6: Final answer
    x = 3,436.86

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.