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Finding the Third Proportional to 522.13 and 1,129.63

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Solution

The third proportional to 522.13 and 1,129.63 is: 2,443.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    522.13 : 1,129.63 = 1,129.63 : x
  2. Step 2: Convert to fraction form
    522.13/1,129.63 = 1,129.63/x
  3. Step 3: Cross multiply
    522.13x = 1,129.63 × 1,129.63
  4. Step 4: Simplify right side
    522.13x = 1,276,052.64
  5. Step 5: Solve for x
    x = 1,276,052.64/522.13
  6. Step 6: Final answer
    x = 2,443.96

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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.