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Finding the Third Proportional to 7,117,262,205 and 15,305,647,897.50

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Solution

The third proportional to 7,117,262,205 and 15,305,647,897.50 is: 32,914,743,171.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117,262,205 : 15,305,647,897.50 = 15,305,647,897.50 : x
  2. Step 2: Convert to fraction form
    7,117,262,205/15,305,647,897.50 = 15,305,647,897.50/x
  3. Step 3: Cross multiply
    7,117,262,205x = 15,305,647,897.50 × 15,305,647,897.50
  4. Step 4: Simplify right side
    7,117,262,205x = 234,262,857,562,246,184,960
  5. Step 5: Solve for x
    x = 234,262,857,562,246,184,960/7,117,262,205
  6. Step 6: Final answer
    x = 32,914,743,171.56

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.