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Finding the Third Proportional to 986,042 and 1,409,079

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Solution

The third proportional to 986,042 and 1,409,079 is: 2,013,609.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,042 : 1,409,079 = 1,409,079 : x
  2. Step 2: Convert to fraction form
    986,042/1,409,079 = 1,409,079/x
  3. Step 3: Cross multiply
    986,042x = 1,409,079 × 1,409,079
  4. Step 4: Simplify right side
    986,042x = 1,985,503,628,241
  5. Step 5: Solve for x
    x = 1,985,503,628,241/986,042
  6. Step 6: Final answer
    x = 2,013,609.59

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.