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Finding the Third Proportional to 17,121,906 and 35,660,996

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Solution

The third proportional to 17,121,906 and 35,660,996 is: 74,273,660.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,121,906 : 35,660,996 = 35,660,996 : x
  2. Step 2: Convert to fraction form
    17,121,906/35,660,996 = 35,660,996/x
  3. Step 3: Cross multiply
    17,121,906x = 35,660,996 × 35,660,996
  4. Step 4: Simplify right side
    17,121,906x = 1,271,706,635,712,016
  5. Step 5: Solve for x
    x = 1,271,706,635,712,016/17,121,906
  6. Step 6: Final answer
    x = 74,273,660.64

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.