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Finding the Third Proportional to 620,794.50 and 961,626

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Solution

The third proportional to 620,794.50 and 961,626 is: 1,489,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,794.50 : 961,626 = 961,626 : x
  2. Step 2: Convert to fraction form
    620,794.50/961,626 = 961,626/x
  3. Step 3: Cross multiply
    620,794.50x = 961,626 × 961,626
  4. Step 4: Simplify right side
    620,794.50x = 924,724,563,876
  5. Step 5: Solve for x
    x = 924,724,563,876/620,794.50
  6. Step 6: Final answer
    x = 1,489,582.40

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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.