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Finding the Third Proportional to 21,584,979 and 33,211,155

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Solution

The third proportional to 21,584,979 and 33,211,155 is: 51,099,462.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,584,979 : 33,211,155 = 33,211,155 : x
  2. Step 2: Convert to fraction form
    21,584,979/33,211,155 = 33,211,155/x
  3. Step 3: Cross multiply
    21,584,979x = 33,211,155 × 33,211,155
  4. Step 4: Simplify right side
    21,584,979x = 1,102,980,816,434,025
  5. Step 5: Solve for x
    x = 1,102,980,816,434,025/21,584,979
  6. Step 6: Final answer
    x = 51,099,462.10

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.