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Finding the Third Proportional to 302,418 and 660,177

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Solution

The third proportional to 302,418 and 660,177 is: 1,441,163.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,418 : 660,177 = 660,177 : x
  2. Step 2: Convert to fraction form
    302,418/660,177 = 660,177/x
  3. Step 3: Cross multiply
    302,418x = 660,177 × 660,177
  4. Step 4: Simplify right side
    302,418x = 435,833,671,329
  5. Step 5: Solve for x
    x = 435,833,671,329/302,418
  6. Step 6: Final answer
    x = 1,441,163.13

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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.