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Finding the Third Proportional to 8,656,222 and 18,513,188

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Solution

The third proportional to 8,656,222 and 18,513,188 is: 39,594,424.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656,222 : 18,513,188 = 18,513,188 : x
  2. Step 2: Convert to fraction form
    8,656,222/18,513,188 = 18,513,188/x
  3. Step 3: Cross multiply
    8,656,222x = 18,513,188 × 18,513,188
  4. Step 4: Simplify right side
    8,656,222x = 342,738,129,923,344
  5. Step 5: Solve for x
    x = 342,738,129,923,344/8,656,222
  6. Step 6: Final answer
    x = 39,594,424.67

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.