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Finding the Third Proportional to 220,362 and 477,360

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Solution

The third proportional to 220,362 and 477,360 is: 1,034,082.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,362 : 477,360 = 477,360 : x
  2. Step 2: Convert to fraction form
    220,362/477,360 = 477,360/x
  3. Step 3: Cross multiply
    220,362x = 477,360 × 477,360
  4. Step 4: Simplify right side
    220,362x = 227,872,569,600
  5. Step 5: Solve for x
    x = 227,872,569,600/220,362
  6. Step 6: Final answer
    x = 1,034,082.87

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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.