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Finding the Third Proportional to 555,935 and 1,218,245

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Solution

The third proportional to 555,935 and 1,218,245 is: 2,669,594.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,935 : 1,218,245 = 1,218,245 : x
  2. Step 2: Convert to fraction form
    555,935/1,218,245 = 1,218,245/x
  3. Step 3: Cross multiply
    555,935x = 1,218,245 × 1,218,245
  4. Step 4: Simplify right side
    555,935x = 1,484,120,880,025
  5. Step 5: Solve for x
    x = 1,484,120,880,025/555,935
  6. Step 6: Final answer
    x = 2,669,594.25

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.