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Finding the Third Proportional to 4,778,186 and 10,396,178

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Solution

The third proportional to 4,778,186 and 10,396,178 is: 22,619,570.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778,186 : 10,396,178 = 10,396,178 : x
  2. Step 2: Convert to fraction form
    4,778,186/10,396,178 = 10,396,178/x
  3. Step 3: Cross multiply
    4,778,186x = 10,396,178 × 10,396,178
  4. Step 4: Simplify right side
    4,778,186x = 108,080,517,007,684
  5. Step 5: Solve for x
    x = 108,080,517,007,684/4,778,186
  6. Step 6: Final answer
    x = 22,619,570.90

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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.