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Finding the Third Proportional to 866,354 and 1,338,881

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Solution

The third proportional to 866,354 and 1,338,881 is: 2,069,133.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,354 : 1,338,881 = 1,338,881 : x
  2. Step 2: Convert to fraction form
    866,354/1,338,881 = 1,338,881/x
  3. Step 3: Cross multiply
    866,354x = 1,338,881 × 1,338,881
  4. Step 4: Simplify right side
    866,354x = 1,792,602,332,161
  5. Step 5: Solve for x
    x = 1,792,602,332,161/866,354
  6. Step 6: Final answer
    x = 2,069,133.79

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.