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Finding the Third Proportional to 8,635,197 and 18,615,535

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Solution

The third proportional to 8,635,197 and 18,615,535 is: 40,130,890.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635,197 : 18,615,535 = 18,615,535 : x
  2. Step 2: Convert to fraction form
    8,635,197/18,615,535 = 18,615,535/x
  3. Step 3: Cross multiply
    8,635,197x = 18,615,535 × 18,615,535
  4. Step 4: Simplify right side
    8,635,197x = 346,538,143,336,225
  5. Step 5: Solve for x
    x = 346,538,143,336,225/8,635,197
  6. Step 6: Final answer
    x = 40,130,890.28

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.