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Finding the Third Proportional to 34,160 and 74,230

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Solution

The third proportional to 34,160 and 74,230 is: 161,302.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,160 : 74,230 = 74,230 : x
  2. Step 2: Convert to fraction form
    34,160/74,230 = 74,230/x
  3. Step 3: Cross multiply
    34,160x = 74,230 × 74,230
  4. Step 4: Simplify right side
    34,160x = 5,510,092,900
  5. Step 5: Solve for x
    x = 5,510,092,900/34,160
  6. Step 6: Final answer
    x = 161,302.49

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.