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Finding the Third Proportional to 906,968 and 1,311,089

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Solution

The third proportional to 906,968 and 1,311,089 is: 1,895,275.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,968 : 1,311,089 = 1,311,089 : x
  2. Step 2: Convert to fraction form
    906,968/1,311,089 = 1,311,089/x
  3. Step 3: Cross multiply
    906,968x = 1,311,089 × 1,311,089
  4. Step 4: Simplify right side
    906,968x = 1,718,954,365,921
  5. Step 5: Solve for x
    x = 1,718,954,365,921/906,968
  6. Step 6: Final answer
    x = 1,895,275.65

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.