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Finding the Third Proportional to 108,169 and 161,355

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Solution

The third proportional to 108,169 and 161,355 is: 240,692.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,169 : 161,355 = 161,355 : x
  2. Step 2: Convert to fraction form
    108,169/161,355 = 161,355/x
  3. Step 3: Cross multiply
    108,169x = 161,355 × 161,355
  4. Step 4: Simplify right side
    108,169x = 26,035,436,025
  5. Step 5: Solve for x
    x = 26,035,436,025/108,169
  6. Step 6: Final answer
    x = 240,692.21

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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.