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Finding the Third Proportional to 9,421,192 and 20,700,350

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Solution

The third proportional to 9,421,192 and 20,700,350 is: 45,483,043.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421,192 : 20,700,350 = 20,700,350 : x
  2. Step 2: Convert to fraction form
    9,421,192/20,700,350 = 20,700,350/x
  3. Step 3: Cross multiply
    9,421,192x = 20,700,350 × 20,700,350
  4. Step 4: Simplify right side
    9,421,192x = 428,504,490,122,500
  5. Step 5: Solve for x
    x = 428,504,490,122,500/9,421,192
  6. Step 6: Final answer
    x = 45,483,043.98

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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.