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Finding the Third Proportional to 5,530,454 and 11,280,489

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Solution

The third proportional to 5,530,454 and 11,280,489 is: 23,008,858.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530,454 : 11,280,489 = 11,280,489 : x
  2. Step 2: Convert to fraction form
    5,530,454/11,280,489 = 11,280,489/x
  3. Step 3: Cross multiply
    5,530,454x = 11,280,489 × 11,280,489
  4. Step 4: Simplify right side
    5,530,454x = 127,249,432,079,121
  5. Step 5: Solve for x
    x = 127,249,432,079,121/5,530,454
  6. Step 6: Final answer
    x = 23,008,858.24

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.