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Finding the Third Proportional to 225,225 and 485,360

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Solution

The third proportional to 225,225 and 485,360 is: 1,045,951.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,225 : 485,360 = 485,360 : x
  2. Step 2: Convert to fraction form
    225,225/485,360 = 485,360/x
  3. Step 3: Cross multiply
    225,225x = 485,360 × 485,360
  4. Step 4: Simplify right side
    225,225x = 235,574,329,600
  5. Step 5: Solve for x
    x = 235,574,329,600/225,225
  6. Step 6: Final answer
    x = 1,045,951.07

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.