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Finding the Third Proportional to 507.80 and 1,107.56

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Solution

The third proportional to 507.80 and 1,107.56 is: 2,415.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    507.80 : 1,107.56 = 1,107.56 : x
  2. Step 2: Convert to fraction form
    507.80/1,107.56 = 1,107.56/x
  3. Step 3: Cross multiply
    507.80x = 1,107.56 × 1,107.56
  4. Step 4: Simplify right side
    507.80x = 1,226,694.69
  5. Step 5: Solve for x
    x = 1,226,694.69/507.80
  6. Step 6: Final answer
    x = 2,415.72

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.