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Finding the Third Proportional to 35,072 and 74,608

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Solution

The third proportional to 35,072 and 74,608 is: 158,712.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,072 : 74,608 = 74,608 : x
  2. Step 2: Convert to fraction form
    35,072/74,608 = 74,608/x
  3. Step 3: Cross multiply
    35,072x = 74,608 × 74,608
  4. Step 4: Simplify right side
    35,072x = 5,566,353,664
  5. Step 5: Solve for x
    x = 5,566,353,664/35,072
  6. Step 6: Final answer
    x = 158,712.18

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.