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Finding the Third Proportional to 18,710 and 40,937

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Solution

The third proportional to 18,710 and 40,937 is: 89,569.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,710 : 40,937 = 40,937 : x
  2. Step 2: Convert to fraction form
    18,710/40,937 = 40,937/x
  3. Step 3: Cross multiply
    18,710x = 40,937 × 40,937
  4. Step 4: Simplify right side
    18,710x = 1,675,837,969
  5. Step 5: Solve for x
    x = 1,675,837,969/18,710
  6. Step 6: Final answer
    x = 89,569.11

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.