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Finding the Third Proportional to 17,911,509 and 38,864,041

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Solution

The third proportional to 17,911,509 and 38,864,041 is: 84,326,434.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,911,509 : 38,864,041 = 38,864,041 : x
  2. Step 2: Convert to fraction form
    17,911,509/38,864,041 = 38,864,041/x
  3. Step 3: Cross multiply
    17,911,509x = 38,864,041 × 38,864,041
  4. Step 4: Simplify right side
    17,911,509x = 1,510,413,682,849,681
  5. Step 5: Solve for x
    x = 1,510,413,682,849,681/17,911,509
  6. Step 6: Final answer
    x = 84,326,434.07

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.