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Finding the Third Proportional to 45,279,310.50 and 70,609,369.50

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Solution

The third proportional to 45,279,310.50 and 70,609,369.50 is: 110,109,518.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,279,310.50 : 70,609,369.50 = 70,609,369.50 : x
  2. Step 2: Convert to fraction form
    45,279,310.50/70,609,369.50 = 70,609,369.50/x
  3. Step 3: Cross multiply
    45,279,310.50x = 70,609,369.50 × 70,609,369.50
  4. Step 4: Simplify right side
    45,279,310.50x = 4,985,683,061,187,530
  5. Step 5: Solve for x
    x = 4,985,683,061,187,530/45,279,310.50
  6. Step 6: Final answer
    x = 110,109,518.15

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.