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Finding the Third Proportional to 77,534,049 and 120,039,736.50

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Solution

The third proportional to 77,534,049 and 120,039,736.50 is: 185,847,876.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,534,049 : 120,039,736.50 = 120,039,736.50 : x
  2. Step 2: Convert to fraction form
    77,534,049/120,039,736.50 = 120,039,736.50/x
  3. Step 3: Cross multiply
    77,534,049x = 120,039,736.50 × 120,039,736.50
  4. Step 4: Simplify right side
    77,534,049x = 14,409,538,338,989,432
  5. Step 5: Solve for x
    x = 14,409,538,338,989,432/77,534,049
  6. Step 6: Final answer
    x = 185,847,876.19

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.