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Finding the Third Proportional to 15,421,467 and 33,869,832

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Solution

The third proportional to 15,421,467 and 33,869,832 is: 74,387,574.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,421,467 : 33,869,832 = 33,869,832 : x
  2. Step 2: Convert to fraction form
    15,421,467/33,869,832 = 33,869,832/x
  3. Step 3: Cross multiply
    15,421,467x = 33,869,832 × 33,869,832
  4. Step 4: Simplify right side
    15,421,467x = 1,147,165,519,708,224
  5. Step 5: Solve for x
    x = 1,147,165,519,708,224/15,421,467
  6. Step 6: Final answer
    x = 74,387,574.13

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.