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Finding the Third Proportional to 9,815,318 and 20,966,575

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Solution

The third proportional to 9,815,318 and 20,966,575 is: 44,786,859.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,815,318 : 20,966,575 = 20,966,575 : x
  2. Step 2: Convert to fraction form
    9,815,318/20,966,575 = 20,966,575/x
  3. Step 3: Cross multiply
    9,815,318x = 20,966,575 × 20,966,575
  4. Step 4: Simplify right side
    9,815,318x = 439,597,267,230,625
  5. Step 5: Solve for x
    x = 439,597,267,230,625/9,815,318
  6. Step 6: Final answer
    x = 44,786,859.40

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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.