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Finding the Third Proportional to 5,986,278 and 9,128,879

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Solution

The third proportional to 5,986,278 and 9,128,879 is: 13,921,243.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,986,278 : 9,128,879 = 9,128,879 : x
  2. Step 2: Convert to fraction form
    5,986,278/9,128,879 = 9,128,879/x
  3. Step 3: Cross multiply
    5,986,278x = 9,128,879 × 9,128,879
  4. Step 4: Simplify right side
    5,986,278x = 83,336,431,796,641
  5. Step 5: Solve for x
    x = 83,336,431,796,641/5,986,278
  6. Step 6: Final answer
    x = 13,921,243.18

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.