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Finding the Third Proportional to 4,140,149 and 8,910,154

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Solution

The third proportional to 4,140,149 and 8,910,154 is: 19,175,842.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140,149 : 8,910,154 = 8,910,154 : x
  2. Step 2: Convert to fraction form
    4,140,149/8,910,154 = 8,910,154/x
  3. Step 3: Cross multiply
    4,140,149x = 8,910,154 × 8,910,154
  4. Step 4: Simplify right side
    4,140,149x = 79,390,844,303,716
  5. Step 5: Solve for x
    x = 79,390,844,303,716/4,140,149
  6. Step 6: Final answer
    x = 19,175,842.30

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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.