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Finding the Third Proportional to 4,010,210 and 8,659,621

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Solution

The third proportional to 4,010,210 and 8,659,621 is: 18,699,528.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,010,210 : 8,659,621 = 8,659,621 : x
  2. Step 2: Convert to fraction form
    4,010,210/8,659,621 = 8,659,621/x
  3. Step 3: Cross multiply
    4,010,210x = 8,659,621 × 8,659,621
  4. Step 4: Simplify right side
    4,010,210x = 74,989,035,863,641
  5. Step 5: Solve for x
    x = 74,989,035,863,641/4,010,210
  6. Step 6: Final answer
    x = 18,699,528.42

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.