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Finding the Third Proportional to 253,854 and 557,532.49

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Solution

The third proportional to 253,854 and 557,532.49 is: 1,224,493.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,854 : 557,532.49 = 557,532.49 : x
  2. Step 2: Convert to fraction form
    253,854/557,532.49 = 557,532.49/x
  3. Step 3: Cross multiply
    253,854x = 557,532.49 × 557,532.49
  4. Step 4: Simplify right side
    253,854x = 310,842,479,844.81
  5. Step 5: Solve for x
    x = 310,842,479,844.81/253,854
  6. Step 6: Final answer
    x = 1,224,493.13

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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.