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Finding the Third Proportional to 5,223,376.50 and 7,989,612

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Solution

The third proportional to 5,223,376.50 and 7,989,612 is: 12,220,811.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,223,376.50 : 7,989,612 = 7,989,612 : x
  2. Step 2: Convert to fraction form
    5,223,376.50/7,989,612 = 7,989,612/x
  3. Step 3: Cross multiply
    5,223,376.50x = 7,989,612 × 7,989,612
  4. Step 4: Simplify right side
    5,223,376.50x = 63,833,899,910,544
  5. Step 5: Solve for x
    x = 63,833,899,910,544/5,223,376.50
  6. Step 6: Final answer
    x = 12,220,811.56

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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.