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Finding the Third Proportional to 1,520,662.32 and 2,031,331.09

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Solution

The third proportional to 1,520,662.32 and 2,031,331.09 is: 2,713,492.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,662.32 : 2,031,331.09 = 2,031,331.09 : x
  2. Step 2: Convert to fraction form
    1,520,662.32/2,031,331.09 = 2,031,331.09/x
  3. Step 3: Cross multiply
    1,520,662.32x = 2,031,331.09 × 2,031,331.09
  4. Step 4: Simplify right side
    1,520,662.32x = 4,126,306,002,516.58
  5. Step 5: Solve for x
    x = 4,126,306,002,516.58/1,520,662.32
  6. Step 6: Final answer
    x = 2,713,492.63

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.