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Finding the Third Proportional to 68,045 and 136,364

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Solution

The third proportional to 68,045 and 136,364 is: 273,277.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,045 : 136,364 = 136,364 : x
  2. Step 2: Convert to fraction form
    68,045/136,364 = 136,364/x
  3. Step 3: Cross multiply
    68,045x = 136,364 × 136,364
  4. Step 4: Simplify right side
    68,045x = 18,595,140,496
  5. Step 5: Solve for x
    x = 18,595,140,496/68,045
  6. Step 6: Final answer
    x = 273,277.10

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Why These Related Problems?

These problems maintain the same ratio (2.00) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.