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Finding the Third Proportional to 303,339 and 660,187.50

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Solution

The third proportional to 303,339 and 660,187.50 is: 1,436,833.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,339 : 660,187.50 = 660,187.50 : x
  2. Step 2: Convert to fraction form
    303,339/660,187.50 = 660,187.50/x
  3. Step 3: Cross multiply
    303,339x = 660,187.50 × 660,187.50
  4. Step 4: Simplify right side
    303,339x = 435,847,535,156.25
  5. Step 5: Solve for x
    x = 435,847,535,156.25/303,339
  6. Step 6: Final answer
    x = 1,436,833.16

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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.