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Finding the Third Proportional to 302,446.50 and 660,295.50

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Solution

The third proportional to 302,446.50 and 660,295.50 is: 1,441,544.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,446.50 : 660,295.50 = 660,295.50 : x
  2. Step 2: Convert to fraction form
    302,446.50/660,295.50 = 660,295.50/x
  3. Step 3: Cross multiply
    302,446.50x = 660,295.50 × 660,295.50
  4. Step 4: Simplify right side
    302,446.50x = 435,990,147,320.25
  5. Step 5: Solve for x
    x = 435,990,147,320.25/302,446.50
  6. Step 6: Final answer
    x = 1,441,544.69

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.