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Finding the Third Proportional to 117,909.50 and 254,491.56

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Solution

The third proportional to 117,909.50 and 254,491.56 is: 549,285.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,909.50 : 254,491.56 = 254,491.56 : x
  2. Step 2: Convert to fraction form
    117,909.50/254,491.56 = 254,491.56/x
  3. Step 3: Cross multiply
    117,909.50x = 254,491.56 × 254,491.56
  4. Step 4: Simplify right side
    117,909.50x = 64,765,955,383.69
  5. Step 5: Solve for x
    x = 64,765,955,383.69/117,909.50
  6. Step 6: Final answer
    x = 549,285.30

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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.