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Finding the Third Proportional to 21,280,814 and 33,019,041

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Solution

The third proportional to 21,280,814 and 33,019,041 is: 51,231,925.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,280,814 : 33,019,041 = 33,019,041 : x
  2. Step 2: Convert to fraction form
    21,280,814/33,019,041 = 33,019,041/x
  3. Step 3: Cross multiply
    21,280,814x = 33,019,041 × 33,019,041
  4. Step 4: Simplify right side
    21,280,814x = 1,090,257,068,559,681
  5. Step 5: Solve for x
    x = 1,090,257,068,559,681/21,280,814
  6. Step 6: Final answer
    x = 51,231,925.08

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.