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Finding the Third Proportional to 7,290,866 and 15,954,790

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Solution

The third proportional to 7,290,866 and 15,954,790 is: 34,914,278.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290,866 : 15,954,790 = 15,954,790 : x
  2. Step 2: Convert to fraction form
    7,290,866/15,954,790 = 15,954,790/x
  3. Step 3: Cross multiply
    7,290,866x = 15,954,790 × 15,954,790
  4. Step 4: Simplify right side
    7,290,866x = 254,555,323,944,100
  5. Step 5: Solve for x
    x = 254,555,323,944,100/7,290,866
  6. Step 6: Final answer
    x = 34,914,278.21

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.