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Finding the Third Proportional to 814.63 and 1,262.13

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Solution

The third proportional to 814.63 and 1,262.13 is: 1,955.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    814.63 : 1,262.13 = 1,262.13 : x
  2. Step 2: Convert to fraction form
    814.63/1,262.13 = 1,262.13/x
  3. Step 3: Cross multiply
    814.63x = 1,262.13 × 1,262.13
  4. Step 4: Simplify right side
    814.63x = 1,592,959.52
  5. Step 5: Solve for x
    x = 1,592,959.52/814.63
  6. Step 6: Final answer
    x = 1,955.45

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.