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Finding the Third Proportional to 132,890.63 and 287,934.75

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Solution

The third proportional to 132,890.63 and 287,934.75 is: 623,869.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,890.63 : 287,934.75 = 287,934.75 : x
  2. Step 2: Convert to fraction form
    132,890.63/287,934.75 = 287,934.75/x
  3. Step 3: Cross multiply
    132,890.63x = 287,934.75 × 287,934.75
  4. Step 4: Simplify right side
    132,890.63x = 82,906,420,257.56
  5. Step 5: Solve for x
    x = 82,906,420,257.56/132,890.63
  6. Step 6: Final answer
    x = 623,869.59

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.