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Finding the Third Proportional to 17,221,019,540 and 26,955,599,028

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Solution

The third proportional to 17,221,019,540 and 26,955,599,028 is: 42,192,874,659.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,221,019,540 : 26,955,599,028 = 26,955,599,028 : x
  2. Step 2: Convert to fraction form
    17,221,019,540/26,955,599,028 = 26,955,599,028/x
  3. Step 3: Cross multiply
    17,221,019,540x = 26,955,599,028 × 26,955,599,028
  4. Step 4: Simplify right side
    17,221,019,540x = 726,604,318,958,314,586,112
  5. Step 5: Solve for x
    x = 726,604,318,958,314,586,112/17,221,019,540
  6. Step 6: Final answer
    x = 42,192,874,659.40

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.