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Finding the Third Proportional to 68,602 and 148,139

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Solution

The third proportional to 68,602 and 148,139 is: 319,891.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,602 : 148,139 = 148,139 : x
  2. Step 2: Convert to fraction form
    68,602/148,139 = 148,139/x
  3. Step 3: Cross multiply
    68,602x = 148,139 × 148,139
  4. Step 4: Simplify right side
    68,602x = 21,945,163,321
  5. Step 5: Solve for x
    x = 21,945,163,321/68,602
  6. Step 6: Final answer
    x = 319,891.01

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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.