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Finding the Third Proportional to 131,790 and 282,649

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Solution

The third proportional to 131,790 and 282,649 is: 606,195.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,790 : 282,649 = 282,649 : x
  2. Step 2: Convert to fraction form
    131,790/282,649 = 282,649/x
  3. Step 3: Cross multiply
    131,790x = 282,649 × 282,649
  4. Step 4: Simplify right side
    131,790x = 79,890,457,201
  5. Step 5: Solve for x
    x = 79,890,457,201/131,790
  6. Step 6: Final answer
    x = 606,195.14

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.