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Finding the Third Proportional to 68,152 and 103,458

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Solution

The third proportional to 68,152 and 103,458 is: 157,054.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,152 : 103,458 = 103,458 : x
  2. Step 2: Convert to fraction form
    68,152/103,458 = 103,458/x
  3. Step 3: Cross multiply
    68,152x = 103,458 × 103,458
  4. Step 4: Simplify right side
    68,152x = 10,703,557,764
  5. Step 5: Solve for x
    x = 10,703,557,764/68,152
  6. Step 6: Final answer
    x = 157,054.20

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.