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Finding the Third Proportional to 253,868 and 551,432

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Solution

The third proportional to 253,868 and 551,432 is: 1,197,777.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,868 : 551,432 = 551,432 : x
  2. Step 2: Convert to fraction form
    253,868/551,432 = 551,432/x
  3. Step 3: Cross multiply
    253,868x = 551,432 × 551,432
  4. Step 4: Simplify right side
    253,868x = 304,077,250,624
  5. Step 5: Solve for x
    x = 304,077,250,624/253,868
  6. Step 6: Final answer
    x = 1,197,777.00

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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.