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Finding the Third Proportional to 21,909,026 and 34,103,615

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Solution

The third proportional to 21,909,026 and 34,103,615 is: 53,085,726.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,909,026 : 34,103,615 = 34,103,615 : x
  2. Step 2: Convert to fraction form
    21,909,026/34,103,615 = 34,103,615/x
  3. Step 3: Cross multiply
    21,909,026x = 34,103,615 × 34,103,615
  4. Step 4: Simplify right side
    21,909,026x = 1,163,056,556,068,225
  5. Step 5: Solve for x
    x = 1,163,056,556,068,225/21,909,026
  6. Step 6: Final answer
    x = 53,085,726.22

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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.