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Finding the Third Proportional to 8,692,608 and 18,879,804

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Solution

The third proportional to 8,692,608 and 18,879,804 is: 41,005,760.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,692,608 : 18,879,804 = 18,879,804 : x
  2. Step 2: Convert to fraction form
    8,692,608/18,879,804 = 18,879,804/x
  3. Step 3: Cross multiply
    8,692,608x = 18,879,804 × 18,879,804
  4. Step 4: Simplify right side
    8,692,608x = 356,446,999,078,416
  5. Step 5: Solve for x
    x = 356,446,999,078,416/8,692,608
  6. Step 6: Final answer
    x = 41,005,760.19

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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.