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Finding the Third Proportional to 4,109,880 and 8,920,086

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Solution

The third proportional to 4,109,880 and 8,920,086 is: 19,360,159.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109,880 : 8,920,086 = 8,920,086 : x
  2. Step 2: Convert to fraction form
    4,109,880/8,920,086 = 8,920,086/x
  3. Step 3: Cross multiply
    4,109,880x = 8,920,086 × 8,920,086
  4. Step 4: Simplify right side
    4,109,880x = 79,567,934,247,396
  5. Step 5: Solve for x
    x = 79,567,934,247,396/4,109,880
  6. Step 6: Final answer
    x = 19,360,159.97

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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.