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Finding the Third Proportional to 9,899,856 and 15,752,772

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Solution

The third proportional to 9,899,856 and 15,752,772 is: 25,066,003.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,899,856 : 15,752,772 = 15,752,772 : x
  2. Step 2: Convert to fraction form
    9,899,856/15,752,772 = 15,752,772/x
  3. Step 3: Cross multiply
    9,899,856x = 15,752,772 × 15,752,772
  4. Step 4: Simplify right side
    9,899,856x = 248,149,825,683,984
  5. Step 5: Solve for x
    x = 248,149,825,683,984/9,899,856
  6. Step 6: Final answer
    x = 25,066,003.55

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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.