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Finding the Third Proportional to 32,668 and 70,520

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Solution

The third proportional to 32,668 and 70,520 is: 152,230.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,668 : 70,520 = 70,520 : x
  2. Step 2: Convert to fraction form
    32,668/70,520 = 70,520/x
  3. Step 3: Cross multiply
    32,668x = 70,520 × 70,520
  4. Step 4: Simplify right side
    32,668x = 4,973,070,400
  5. Step 5: Solve for x
    x = 4,973,070,400/32,668
  6. Step 6: Final answer
    x = 152,230.64

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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.