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Finding the Third Proportional to 18,957,663 and 40,835,483

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Solution

The third proportional to 18,957,663 and 40,835,483 is: 87,961,088.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,957,663 : 40,835,483 = 40,835,483 : x
  2. Step 2: Convert to fraction form
    18,957,663/40,835,483 = 40,835,483/x
  3. Step 3: Cross multiply
    18,957,663x = 40,835,483 × 40,835,483
  4. Step 4: Simplify right side
    18,957,663x = 1,667,536,671,843,289
  5. Step 5: Solve for x
    x = 1,667,536,671,843,289/18,957,663
  6. Step 6: Final answer
    x = 87,961,088.44

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.