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Finding the Third Proportional to 74,018 and 158,612

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Solution

The third proportional to 74,018 and 158,612 is: 339,887.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,018 : 158,612 = 158,612 : x
  2. Step 2: Convert to fraction form
    74,018/158,612 = 158,612/x
  3. Step 3: Cross multiply
    74,018x = 158,612 × 158,612
  4. Step 4: Simplify right side
    74,018x = 25,157,766,544
  5. Step 5: Solve for x
    x = 25,157,766,544/74,018
  6. Step 6: Final answer
    x = 339,887.14

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.