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Finding the Third Proportional to 220,370 and 477,364

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Solution

The third proportional to 220,370 and 477,364 is: 1,034,062.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,370 : 477,364 = 477,364 : x
  2. Step 2: Convert to fraction form
    220,370/477,364 = 477,364/x
  3. Step 3: Cross multiply
    220,370x = 477,364 × 477,364
  4. Step 4: Simplify right side
    220,370x = 227,876,388,496
  5. Step 5: Solve for x
    x = 227,876,388,496/220,370
  6. Step 6: Final answer
    x = 1,034,062.66

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.