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Finding the Third Proportional to 136,812 and 295,488

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Solution

The third proportional to 136,812 and 295,488 is: 638,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,812 : 295,488 = 295,488 : x
  2. Step 2: Convert to fraction form
    136,812/295,488 = 295,488/x
  3. Step 3: Cross multiply
    136,812x = 295,488 × 295,488
  4. Step 4: Simplify right side
    136,812x = 87,313,158,144
  5. Step 5: Solve for x
    x = 87,313,158,144/136,812
  6. Step 6: Final answer
    x = 638,198.10

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.