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Finding the Third Proportional to 68,235 and 146,734.50

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Solution

The third proportional to 68,235 and 146,734.50 is: 315,542.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,235 : 146,734.50 = 146,734.50 : x
  2. Step 2: Convert to fraction form
    68,235/146,734.50 = 146,734.50/x
  3. Step 3: Cross multiply
    68,235x = 146,734.50 × 146,734.50
  4. Step 4: Simplify right side
    68,235x = 21,531,013,490.25
  5. Step 5: Solve for x
    x = 21,531,013,490.25/68,235
  6. Step 6: Final answer
    x = 315,542.08

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.