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Finding the Third Proportional to 273,530.88 and 439,488

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Solution

The third proportional to 273,530.88 and 439,488 is: 706,134.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,530.88 : 439,488 = 439,488 : x
  2. Step 2: Convert to fraction form
    273,530.88/439,488 = 439,488/x
  3. Step 3: Cross multiply
    273,530.88x = 439,488 × 439,488
  4. Step 4: Simplify right side
    273,530.88x = 193,149,702,144
  5. Step 5: Solve for x
    x = 193,149,702,144/273,530.88
  6. Step 6: Final answer
    x = 706,134.92

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.