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Finding the Third Proportional to 12,588.75 and 18,707.63

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Solution

The third proportional to 12,588.75 and 18,707.63 is: 27,800.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588.75 : 18,707.63 = 18,707.63 : x
  2. Step 2: Convert to fraction form
    12,588.75/18,707.63 = 18,707.63/x
  3. Step 3: Cross multiply
    12,588.75x = 18,707.63 × 18,707.63
  4. Step 4: Simplify right side
    12,588.75x = 349,975,233.14
  5. Step 5: Solve for x
    x = 349,975,233.14/12,588.75
  6. Step 6: Final answer
    x = 27,800.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.