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Finding the Third Proportional to 10,428,125 and 15,268,878

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Solution

The third proportional to 10,428,125 and 15,268,878 is: 22,356,716.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428,125 : 15,268,878 = 15,268,878 : x
  2. Step 2: Convert to fraction form
    10,428,125/15,268,878 = 15,268,878/x
  3. Step 3: Cross multiply
    10,428,125x = 15,268,878 × 15,268,878
  4. Step 4: Simplify right side
    10,428,125x = 233,138,635,378,884
  5. Step 5: Solve for x
    x = 233,138,635,378,884/10,428,125
  6. Step 6: Final answer
    x = 22,356,716.61

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.