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Finding the Third Proportional to 79,401,044 and 121,437,390

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Solution

The third proportional to 79,401,044 and 121,437,390 is: 185,728,536.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,401,044 : 121,437,390 = 121,437,390 : x
  2. Step 2: Convert to fraction form
    79,401,044/121,437,390 = 121,437,390/x
  3. Step 3: Cross multiply
    79,401,044x = 121,437,390 × 121,437,390
  4. Step 4: Simplify right side
    79,401,044x = 14,747,039,690,012,100
  5. Step 5: Solve for x
    x = 14,747,039,690,012,100/79,401,044
  6. Step 6: Final answer
    x = 185,728,536.39

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.