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Finding the Third Proportional to 8,692,388 and 18,880,660

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Solution

The third proportional to 8,692,388 and 18,880,660 is: 41,010,516.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,692,388 : 18,880,660 = 18,880,660 : x
  2. Step 2: Convert to fraction form
    8,692,388/18,880,660 = 18,880,660/x
  3. Step 3: Cross multiply
    8,692,388x = 18,880,660 × 18,880,660
  4. Step 4: Simplify right side
    8,692,388x = 356,479,322,035,600
  5. Step 5: Solve for x
    x = 356,479,322,035,600/8,692,388
  6. Step 6: Final answer
    x = 41,010,516.56

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.