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Finding the Third Proportional to 15,686,708 and 33,978,343

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Solution

The third proportional to 15,686,708 and 33,978,343 is: 73,599,112.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,686,708 : 33,978,343 = 33,978,343 : x
  2. Step 2: Convert to fraction form
    15,686,708/33,978,343 = 33,978,343/x
  3. Step 3: Cross multiply
    15,686,708x = 33,978,343 × 33,978,343
  4. Step 4: Simplify right side
    15,686,708x = 1,154,527,793,025,649
  5. Step 5: Solve for x
    x = 1,154,527,793,025,649/15,686,708
  6. Step 6: Final answer
    x = 73,599,112.89

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