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Finding the Third Proportional to 252,354 and 553,860

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Solution

The third proportional to 252,354 and 553,860 is: 1,215,597.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,354 : 553,860 = 553,860 : x
  2. Step 2: Convert to fraction form
    252,354/553,860 = 553,860/x
  3. Step 3: Cross multiply
    252,354x = 553,860 × 553,860
  4. Step 4: Simplify right side
    252,354x = 306,760,899,600
  5. Step 5: Solve for x
    x = 306,760,899,600/252,354
  6. Step 6: Final answer
    x = 1,215,597.53

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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.