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Finding the Third Proportional to 553,680.50 and 854,131

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Solution

The third proportional to 553,680.50 and 854,131 is: 1,317,618.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,680.50 : 854,131 = 854,131 : x
  2. Step 2: Convert to fraction form
    553,680.50/854,131 = 854,131/x
  3. Step 3: Cross multiply
    553,680.50x = 854,131 × 854,131
  4. Step 4: Simplify right side
    553,680.50x = 729,539,765,161
  5. Step 5: Solve for x
    x = 729,539,765,161/553,680.50
  6. Step 6: Final answer
    x = 1,317,618.67

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.