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Finding the Third Proportional to 474,556 and 988,478

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Solution

The third proportional to 474,556 and 988,478 is: 2,058,953.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,556 : 988,478 = 988,478 : x
  2. Step 2: Convert to fraction form
    474,556/988,478 = 988,478/x
  3. Step 3: Cross multiply
    474,556x = 988,478 × 988,478
  4. Step 4: Simplify right side
    474,556x = 977,088,756,484
  5. Step 5: Solve for x
    x = 977,088,756,484/474,556
  6. Step 6: Final answer
    x = 2,058,953.54

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.