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Finding the Third Proportional to 978,087 and 2,073,930

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Solution

The third proportional to 978,087 and 2,073,930 is: 4,397,549.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,087 : 2,073,930 = 2,073,930 : x
  2. Step 2: Convert to fraction form
    978,087/2,073,930 = 2,073,930/x
  3. Step 3: Cross multiply
    978,087x = 2,073,930 × 2,073,930
  4. Step 4: Simplify right side
    978,087x = 4,301,185,644,900
  5. Step 5: Solve for x
    x = 4,301,185,644,900/978,087
  6. Step 6: Final answer
    x = 4,397,549.14

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These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.