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Finding the Third Proportional to 31,694.63 and 47,668.50

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Solution

The third proportional to 31,694.63 and 47,668.50 is: 71,693.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,694.63 : 47,668.50 = 47,668.50 : x
  2. Step 2: Convert to fraction form
    31,694.63/47,668.50 = 47,668.50/x
  3. Step 3: Cross multiply
    31,694.63x = 47,668.50 × 47,668.50
  4. Step 4: Simplify right side
    31,694.63x = 2,272,285,892.25
  5. Step 5: Solve for x
    x = 2,272,285,892.25/31,694.63
  6. Step 6: Final answer
    x = 71,693.10

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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.