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Finding the Third Proportional to 1,123,616.25 and 2,476,274.25

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Solution

The third proportional to 1,123,616.25 and 2,476,274.25 is: 5,457,320.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,616.25 : 2,476,274.25 = 2,476,274.25 : x
  2. Step 2: Convert to fraction form
    1,123,616.25/2,476,274.25 = 2,476,274.25/x
  3. Step 3: Cross multiply
    1,123,616.25x = 2,476,274.25 × 2,476,274.25
  4. Step 4: Simplify right side
    1,123,616.25x = 6,131,934,161,213.06
  5. Step 5: Solve for x
    x = 6,131,934,161,213.06/1,123,616.25
  6. Step 6: Final answer
    x = 5,457,320.65

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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.