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Finding the Third Proportional to 68,337 and 91,948.50

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Solution

The third proportional to 68,337 and 91,948.50 is: 123,718.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,337 : 91,948.50 = 91,948.50 : x
  2. Step 2: Convert to fraction form
    68,337/91,948.50 = 91,948.50/x
  3. Step 3: Cross multiply
    68,337x = 91,948.50 × 91,948.50
  4. Step 4: Simplify right side
    68,337x = 8,454,526,652.25
  5. Step 5: Solve for x
    x = 8,454,526,652.25/68,337
  6. Step 6: Final answer
    x = 123,718.14

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.