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Finding the Third Proportional to 303,184 and 660,156

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Solution

The third proportional to 303,184 and 660,156 is: 1,437,430.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,184 : 660,156 = 660,156 : x
  2. Step 2: Convert to fraction form
    303,184/660,156 = 660,156/x
  3. Step 3: Cross multiply
    303,184x = 660,156 × 660,156
  4. Step 4: Simplify right side
    303,184x = 435,805,944,336
  5. Step 5: Solve for x
    x = 435,805,944,336/303,184
  6. Step 6: Final answer
    x = 1,437,430.55

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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.