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Finding the Third Proportional to 252,540 and 554,895

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Solution

The third proportional to 252,540 and 554,895 is: 1,219,246.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,540 : 554,895 = 554,895 : x
  2. Step 2: Convert to fraction form
    252,540/554,895 = 554,895/x
  3. Step 3: Cross multiply
    252,540x = 554,895 × 554,895
  4. Step 4: Simplify right side
    252,540x = 307,908,461,025
  5. Step 5: Solve for x
    x = 307,908,461,025/252,540
  6. Step 6: Final answer
    x = 1,219,246.30

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.