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Finding the Third Proportional to 51,080,072.50 and 79,311,560

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Solution

The third proportional to 51,080,072.50 and 79,311,560 is: 123,146,331.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,080,072.50 : 79,311,560 = 79,311,560 : x
  2. Step 2: Convert to fraction form
    51,080,072.50/79,311,560 = 79,311,560/x
  3. Step 3: Cross multiply
    51,080,072.50x = 79,311,560 × 79,311,560
  4. Step 4: Simplify right side
    51,080,072.50x = 6,290,323,549,633,600
  5. Step 5: Solve for x
    x = 6,290,323,549,633,600/51,080,072.50
  6. Step 6: Final answer
    x = 123,146,331.67

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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.