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Finding the Third Proportional to 9,890,874 and 21,088,197

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Solution

The third proportional to 9,890,874 and 21,088,197 is: 44,961,856.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,890,874 : 21,088,197 = 21,088,197 : x
  2. Step 2: Convert to fraction form
    9,890,874/21,088,197 = 21,088,197/x
  3. Step 3: Cross multiply
    9,890,874x = 21,088,197 × 21,088,197
  4. Step 4: Simplify right side
    9,890,874x = 444,712,052,710,809
  5. Step 5: Solve for x
    x = 444,712,052,710,809/9,890,874
  6. Step 6: Final answer
    x = 44,961,856.02

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.