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Finding the Third Proportional to 18,046,929 and 37,580,988

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Solution

The third proportional to 18,046,929 and 37,580,988 is: 78,258,780.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,046,929 : 37,580,988 = 37,580,988 : x
  2. Step 2: Convert to fraction form
    18,046,929/37,580,988 = 37,580,988/x
  3. Step 3: Cross multiply
    18,046,929x = 37,580,988 × 37,580,988
  4. Step 4: Simplify right side
    18,046,929x = 1,412,330,659,056,144
  5. Step 5: Solve for x
    x = 1,412,330,659,056,144/18,046,929
  6. Step 6: Final answer
    x = 78,258,780.71

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.