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Finding the Third Proportional to 8,756.63 and 13,136.81

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Solution

The third proportional to 8,756.63 and 13,136.81 is: 19,708.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.63 : 13,136.81 = 13,136.81 : x
  2. Step 2: Convert to fraction form
    8,756.63/13,136.81 = 13,136.81/x
  3. Step 3: Cross multiply
    8,756.63x = 13,136.81 × 13,136.81
  4. Step 4: Simplify right side
    8,756.63x = 172,575,842.66
  5. Step 5: Solve for x
    x = 172,575,842.66/8,756.63
  6. Step 6: Final answer
    x = 19,708.03

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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.