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Finding the Third Proportional to 275,306.25 and 403,861.50

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Solution

The third proportional to 275,306.25 and 403,861.50 is: 592,446.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,306.25 : 403,861.50 = 403,861.50 : x
  2. Step 2: Convert to fraction form
    275,306.25/403,861.50 = 403,861.50/x
  3. Step 3: Cross multiply
    275,306.25x = 403,861.50 × 403,861.50
  4. Step 4: Simplify right side
    275,306.25x = 163,104,111,182.25
  5. Step 5: Solve for x
    x = 163,104,111,182.25/275,306.25
  6. Step 6: Final answer
    x = 592,446.09

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.