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Finding the Third Proportional to 8,893,785 and 19,393,458

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Solution

The third proportional to 8,893,785 and 19,393,458 is: 42,288,655.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893,785 : 19,393,458 = 19,393,458 : x
  2. Step 2: Convert to fraction form
    8,893,785/19,393,458 = 19,393,458/x
  3. Step 3: Cross multiply
    8,893,785x = 19,393,458 × 19,393,458
  4. Step 4: Simplify right side
    8,893,785x = 376,106,213,197,764
  5. Step 5: Solve for x
    x = 376,106,213,197,764/8,893,785
  6. Step 6: Final answer
    x = 42,288,655.86

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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.