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Finding the Third Proportional to 15,395,871 and 21,524,336

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Solution

The third proportional to 15,395,871 and 21,524,336 is: 30,092,291.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,395,871 : 21,524,336 = 21,524,336 : x
  2. Step 2: Convert to fraction form
    15,395,871/21,524,336 = 21,524,336/x
  3. Step 3: Cross multiply
    15,395,871x = 21,524,336 × 21,524,336
  4. Step 4: Simplify right side
    15,395,871x = 463,297,040,240,896
  5. Step 5: Solve for x
    x = 463,297,040,240,896/15,395,871
  6. Step 6: Final answer
    x = 30,092,291.64

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.