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Finding the Third Proportional to 905,508 and 1,225,396

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Solution

The third proportional to 905,508 and 1,225,396 is: 1,658,290.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,508 : 1,225,396 = 1,225,396 : x
  2. Step 2: Convert to fraction form
    905,508/1,225,396 = 1,225,396/x
  3. Step 3: Cross multiply
    905,508x = 1,225,396 × 1,225,396
  4. Step 4: Simplify right side
    905,508x = 1,501,595,356,816
  5. Step 5: Solve for x
    x = 1,501,595,356,816/905,508
  6. Step 6: Final answer
    x = 1,658,290.55

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.