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Finding the Third Proportional to 376,386 and 828,588

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Solution

The third proportional to 376,386 and 828,588 is: 1,824,079.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,386 : 828,588 = 828,588 : x
  2. Step 2: Convert to fraction form
    376,386/828,588 = 828,588/x
  3. Step 3: Cross multiply
    376,386x = 828,588 × 828,588
  4. Step 4: Simplify right side
    376,386x = 686,558,073,744
  5. Step 5: Solve for x
    x = 686,558,073,744/376,386
  6. Step 6: Final answer
    x = 1,824,079.73

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.