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Finding the Third Proportional to 255,972 and 558,599.25

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Solution

The third proportional to 255,972 and 558,599.25 is: 1,219,012.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,972 : 558,599.25 = 558,599.25 : x
  2. Step 2: Convert to fraction form
    255,972/558,599.25 = 558,599.25/x
  3. Step 3: Cross multiply
    255,972x = 558,599.25 × 558,599.25
  4. Step 4: Simplify right side
    255,972x = 312,033,122,100.56
  5. Step 5: Solve for x
    x = 312,033,122,100.56/255,972
  6. Step 6: Final answer
    x = 1,219,012.71

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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.