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Finding the Third Proportional to 7,315,115 and 16,078,210

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Solution

The third proportional to 7,315,115 and 16,078,210 is: 35,338,998.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315,115 : 16,078,210 = 16,078,210 : x
  2. Step 2: Convert to fraction form
    7,315,115/16,078,210 = 16,078,210/x
  3. Step 3: Cross multiply
    7,315,115x = 16,078,210 × 16,078,210
  4. Step 4: Simplify right side
    7,315,115x = 258,508,836,804,100
  5. Step 5: Solve for x
    x = 258,508,836,804,100/7,315,115
  6. Step 6: Final answer
    x = 35,338,998.33

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.