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Finding the Third Proportional to 8,501.63 and 12,759.19

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Solution

The third proportional to 8,501.63 and 12,759.19 is: 19,148.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501.63 : 12,759.19 = 12,759.19 : x
  2. Step 2: Convert to fraction form
    8,501.63/12,759.19 = 12,759.19/x
  3. Step 3: Cross multiply
    8,501.63x = 12,759.19 × 12,759.19
  4. Step 4: Simplify right side
    8,501.63x = 162,796,865.66
  5. Step 5: Solve for x
    x = 162,796,865.66/8,501.63
  6. Step 6: Final answer
    x = 19,148.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.