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Finding the Third Proportional to 47,313 and 71,168

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Solution

The third proportional to 47,313 and 71,168 is: 107,050.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,313 : 71,168 = 71,168 : x
  2. Step 2: Convert to fraction form
    47,313/71,168 = 71,168/x
  3. Step 3: Cross multiply
    47,313x = 71,168 × 71,168
  4. Step 4: Simplify right side
    47,313x = 5,064,884,224
  5. Step 5: Solve for x
    x = 5,064,884,224/47,313
  6. Step 6: Final answer
    x = 107,050.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.