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Finding the Third Proportional to 528,147 and 790,195.50

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Solution

The third proportional to 528,147 and 790,195.50 is: 1,182,263.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,147 : 790,195.50 = 790,195.50 : x
  2. Step 2: Convert to fraction form
    528,147/790,195.50 = 790,195.50/x
  3. Step 3: Cross multiply
    528,147x = 790,195.50 × 790,195.50
  4. Step 4: Simplify right side
    528,147x = 624,408,928,220.25
  5. Step 5: Solve for x
    x = 624,408,928,220.25/528,147
  6. Step 6: Final answer
    x = 1,182,263.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.