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Finding the Third Proportional to 69,932.75 and 105,479.75

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Solution

The third proportional to 69,932.75 and 105,479.75 is: 159,095.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,932.75 : 105,479.75 = 105,479.75 : x
  2. Step 2: Convert to fraction form
    69,932.75/105,479.75 = 105,479.75/x
  3. Step 3: Cross multiply
    69,932.75x = 105,479.75 × 105,479.75
  4. Step 4: Simplify right side
    69,932.75x = 11,125,977,660.06
  5. Step 5: Solve for x
    x = 11,125,977,660.06/69,932.75
  6. Step 6: Final answer
    x = 159,095.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.