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Finding the Third Proportional to 1,472,640.75 and 3,123,558

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Solution

The third proportional to 1,472,640.75 and 3,123,558 is: 6,625,250.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,640.75 : 3,123,558 = 3,123,558 : x
  2. Step 2: Convert to fraction form
    1,472,640.75/3,123,558 = 3,123,558/x
  3. Step 3: Cross multiply
    1,472,640.75x = 3,123,558 × 3,123,558
  4. Step 4: Simplify right side
    1,472,640.75x = 9,756,614,579,364
  5. Step 5: Solve for x
    x = 9,756,614,579,364/1,472,640.75
  6. Step 6: Final answer
    x = 6,625,250.98

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.