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Finding the Third Proportional to 8,539,840 and 18,759,296

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Solution

The third proportional to 8,539,840 and 18,759,296 is: 41,208,170.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539,840 : 18,759,296 = 18,759,296 : x
  2. Step 2: Convert to fraction form
    8,539,840/18,759,296 = 18,759,296/x
  3. Step 3: Cross multiply
    8,539,840x = 18,759,296 × 18,759,296
  4. Step 4: Simplify right side
    8,539,840x = 351,911,186,415,616
  5. Step 5: Solve for x
    x = 351,911,186,415,616/8,539,840
  6. Step 6: Final answer
    x = 41,208,170.93

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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.