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Finding the Third Proportional to 74,496 and 157,272

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Solution

The third proportional to 74,496 and 157,272 is: 332,024.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,496 : 157,272 = 157,272 : x
  2. Step 2: Convert to fraction form
    74,496/157,272 = 157,272/x
  3. Step 3: Cross multiply
    74,496x = 157,272 × 157,272
  4. Step 4: Simplify right side
    74,496x = 24,734,481,984
  5. Step 5: Solve for x
    x = 24,734,481,984/74,496
  6. Step 6: Final answer
    x = 332,024.30

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.