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Finding the Third Proportional to 905,418 and 1,358,237.25

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Solution

The third proportional to 905,418 and 1,358,237.25 is: 2,037,521.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,418 : 1,358,237.25 = 1,358,237.25 : x
  2. Step 2: Convert to fraction form
    905,418/1,358,237.25 = 1,358,237.25/x
  3. Step 3: Cross multiply
    905,418x = 1,358,237.25 × 1,358,237.25
  4. Step 4: Simplify right side
    905,418x = 1,844,808,427,287.56
  5. Step 5: Solve for x
    x = 1,844,808,427,287.56/905,418
  6. Step 6: Final answer
    x = 2,037,521.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.