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Finding the Third Proportional to 21,909,165 and 34,103,655

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Solution

The third proportional to 21,909,165 and 34,103,655 is: 53,085,513.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,909,165 : 34,103,655 = 34,103,655 : x
  2. Step 2: Convert to fraction form
    21,909,165/34,103,655 = 34,103,655/x
  3. Step 3: Cross multiply
    21,909,165x = 34,103,655 × 34,103,655
  4. Step 4: Simplify right side
    21,909,165x = 1,163,059,284,359,025
  5. Step 5: Solve for x
    x = 1,163,059,284,359,025/21,909,165
  6. Step 6: Final answer
    x = 53,085,513.96

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.