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Finding the Third Proportional to 289,680 and 614,352

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Solution

The third proportional to 289,680 and 614,352 is: 1,302,914.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,680 : 614,352 = 614,352 : x
  2. Step 2: Convert to fraction form
    289,680/614,352 = 614,352/x
  3. Step 3: Cross multiply
    289,680x = 614,352 × 614,352
  4. Step 4: Simplify right side
    289,680x = 377,428,379,904
  5. Step 5: Solve for x
    x = 377,428,379,904/289,680
  6. Step 6: Final answer
    x = 1,302,914.87

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.