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Finding the Third Proportional to 8,540,685 and 18,657,306

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Solution

The third proportional to 8,540,685 and 18,657,306 is: 40,757,277.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540,685 : 18,657,306 = 18,657,306 : x
  2. Step 2: Convert to fraction form
    8,540,685/18,657,306 = 18,657,306/x
  3. Step 3: Cross multiply
    8,540,685x = 18,657,306 × 18,657,306
  4. Step 4: Simplify right side
    8,540,685x = 348,095,067,177,636
  5. Step 5: Solve for x
    x = 348,095,067,177,636/8,540,685
  6. Step 6: Final answer
    x = 40,757,277.34

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.