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Finding the Third Proportional to 37,521 and 79,410

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Solution

The third proportional to 37,521 and 79,410 is: 168,064.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,521 : 79,410 = 79,410 : x
  2. Step 2: Convert to fraction form
    37,521/79,410 = 79,410/x
  3. Step 3: Cross multiply
    37,521x = 79,410 × 79,410
  4. Step 4: Simplify right side
    37,521x = 6,305,948,100
  5. Step 5: Solve for x
    x = 6,305,948,100/37,521
  6. Step 6: Final answer
    x = 168,064.50

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.