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Finding the Third Proportional to 40,916 and 84,440

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Solution

The third proportional to 40,916 and 84,440 is: 174,262.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,916 : 84,440 = 84,440 : x
  2. Step 2: Convert to fraction form
    40,916/84,440 = 84,440/x
  3. Step 3: Cross multiply
    40,916x = 84,440 × 84,440
  4. Step 4: Simplify right side
    40,916x = 7,130,113,600
  5. Step 5: Solve for x
    x = 7,130,113,600/40,916
  6. Step 6: Final answer
    x = 174,262.23

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.