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Finding the Third Proportional to 73,132 and 157,639

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Solution

The third proportional to 73,132 and 157,639 is: 339,797.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,132 : 157,639 = 157,639 : x
  2. Step 2: Convert to fraction form
    73,132/157,639 = 157,639/x
  3. Step 3: Cross multiply
    73,132x = 157,639 × 157,639
  4. Step 4: Simplify right side
    73,132x = 24,850,054,321
  5. Step 5: Solve for x
    x = 24,850,054,321/73,132
  6. Step 6: Final answer
    x = 339,797.28

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.