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Finding the Third Proportional to 71,838 and 157,052

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Solution

The third proportional to 71,838 and 157,052 is: 343,346.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,838 : 157,052 = 157,052 : x
  2. Step 2: Convert to fraction form
    71,838/157,052 = 157,052/x
  3. Step 3: Cross multiply
    71,838x = 157,052 × 157,052
  4. Step 4: Simplify right side
    71,838x = 24,665,330,704
  5. Step 5: Solve for x
    x = 24,665,330,704/71,838
  6. Step 6: Final answer
    x = 343,346.57

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.