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Finding the Third Proportional to 9,899,864 and 15,752,784

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Solution

The third proportional to 9,899,864 and 15,752,784 is: 25,066,021.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,899,864 : 15,752,784 = 15,752,784 : x
  2. Step 2: Convert to fraction form
    9,899,864/15,752,784 = 15,752,784/x
  3. Step 3: Cross multiply
    9,899,864x = 15,752,784 × 15,752,784
  4. Step 4: Simplify right side
    9,899,864x = 248,150,203,750,656
  5. Step 5: Solve for x
    x = 248,150,203,750,656/9,899,864
  6. Step 6: Final answer
    x = 25,066,021.49

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.