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Finding the Third Proportional to 291,150.75 and 636,273

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Solution

The third proportional to 291,150.75 and 636,273 is: 1,390,493.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,150.75 : 636,273 = 636,273 : x
  2. Step 2: Convert to fraction form
    291,150.75/636,273 = 636,273/x
  3. Step 3: Cross multiply
    291,150.75x = 636,273 × 636,273
  4. Step 4: Simplify right side
    291,150.75x = 404,843,330,529
  5. Step 5: Solve for x
    x = 404,843,330,529/291,150.75
  6. Step 6: Final answer
    x = 1,390,493.86

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.