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Finding the Third Proportional to 21,909,020 and 34,103,606

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Solution

The third proportional to 21,909,020 and 34,103,606 is: 53,085,712.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,909,020 : 34,103,606 = 34,103,606 : x
  2. Step 2: Convert to fraction form
    21,909,020/34,103,606 = 34,103,606/x
  3. Step 3: Cross multiply
    21,909,020x = 34,103,606 × 34,103,606
  4. Step 4: Simplify right side
    21,909,020x = 1,163,055,942,203,236
  5. Step 5: Solve for x
    x = 1,163,055,942,203,236/21,909,020
  6. Step 6: Final answer
    x = 53,085,712.74

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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.