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Finding the Third Proportional to 4,019,220 and 8,668,134

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Solution

The third proportional to 4,019,220 and 8,668,134 is: 18,694,310.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,019,220 : 8,668,134 = 8,668,134 : x
  2. Step 2: Convert to fraction form
    4,019,220/8,668,134 = 8,668,134/x
  3. Step 3: Cross multiply
    4,019,220x = 8,668,134 × 8,668,134
  4. Step 4: Simplify right side
    4,019,220x = 75,136,547,041,956
  5. Step 5: Solve for x
    x = 75,136,547,041,956/4,019,220
  6. Step 6: Final answer
    x = 18,694,310.60

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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.