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Finding the Third Proportional to 15,686,703 and 33,978,339

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Solution

The third proportional to 15,686,703 and 33,978,339 is: 73,599,119.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,686,703 : 33,978,339 = 33,978,339 : x
  2. Step 2: Convert to fraction form
    15,686,703/33,978,339 = 33,978,339/x
  3. Step 3: Cross multiply
    15,686,703x = 33,978,339 × 33,978,339
  4. Step 4: Simplify right side
    15,686,703x = 1,154,527,521,198,921
  5. Step 5: Solve for x
    x = 1,154,527,521,198,921/15,686,703
  6. Step 6: Final answer
    x = 73,599,119.02

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.