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Finding the Third Proportional to 33,220 and 70,248

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Solution

The third proportional to 33,220 and 70,248 is: 148,548.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,220 : 70,248 = 70,248 : x
  2. Step 2: Convert to fraction form
    33,220/70,248 = 70,248/x
  3. Step 3: Cross multiply
    33,220x = 70,248 × 70,248
  4. Step 4: Simplify right side
    33,220x = 4,934,781,504
  5. Step 5: Solve for x
    x = 4,934,781,504/33,220
  6. Step 6: Final answer
    x = 148,548.51

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.