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Finding the Third Proportional to 652.25 and 1,407.25

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Solution

The third proportional to 652.25 and 1,407.25 is: 3,036.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    652.25 : 1,407.25 = 1,407.25 : x
  2. Step 2: Convert to fraction form
    652.25/1,407.25 = 1,407.25/x
  3. Step 3: Cross multiply
    652.25x = 1,407.25 × 1,407.25
  4. Step 4: Simplify right side
    652.25x = 1,980,352.56
  5. Step 5: Solve for x
    x = 1,980,352.56/652.25
  6. Step 6: Final answer
    x = 3,036.19

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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.