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Finding the Third Proportional to 9,418,254 and 19,689,276

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Solution

The third proportional to 9,418,254 and 19,689,276 is: 41,161,301.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418,254 : 19,689,276 = 19,689,276 : x
  2. Step 2: Convert to fraction form
    9,418,254/19,689,276 = 19,689,276/x
  3. Step 3: Cross multiply
    9,418,254x = 19,689,276 × 19,689,276
  4. Step 4: Simplify right side
    9,418,254x = 387,667,589,404,176
  5. Step 5: Solve for x
    x = 387,667,589,404,176/9,418,254
  6. Step 6: Final answer
    x = 41,161,301.17

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.