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Finding the Third Proportional to 9,198,784 and 19,350,840

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Solution

The third proportional to 9,198,784 and 19,350,840 is: 40,707,011.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,198,784 : 19,350,840 = 19,350,840 : x
  2. Step 2: Convert to fraction form
    9,198,784/19,350,840 = 19,350,840/x
  3. Step 3: Cross multiply
    9,198,784x = 19,350,840 × 19,350,840
  4. Step 4: Simplify right side
    9,198,784x = 374,455,008,705,600
  5. Step 5: Solve for x
    x = 374,455,008,705,600/9,198,784
  6. Step 6: Final answer
    x = 40,707,011.79

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.