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Finding the Third Proportional to 15,102,049,860 and 20,998,193,202

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Solution

The third proportional to 15,102,049,860 and 20,998,193,202 is: 29,196,309,231.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,102,049,860 : 20,998,193,202 = 20,998,193,202 : x
  2. Step 2: Convert to fraction form
    15,102,049,860/20,998,193,202 = 20,998,193,202/x
  3. Step 3: Cross multiply
    15,102,049,860x = 20,998,193,202 × 20,998,193,202
  4. Step 4: Simplify right side
    15,102,049,860x = 440,924,117,748,519,010,304
  5. Step 5: Solve for x
    x = 440,924,117,748,519,010,304/15,102,049,860
  6. Step 6: Final answer
    x = 29,196,309,231.93

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.