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Finding the Third Proportional to 223,366.50 and 328,488

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Solution

The third proportional to 223,366.50 and 328,488 is: 483,082.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,366.50 : 328,488 = 328,488 : x
  2. Step 2: Convert to fraction form
    223,366.50/328,488 = 328,488/x
  3. Step 3: Cross multiply
    223,366.50x = 328,488 × 328,488
  4. Step 4: Simplify right side
    223,366.50x = 107,904,366,144
  5. Step 5: Solve for x
    x = 107,904,366,144/223,366.50
  6. Step 6: Final answer
    x = 483,082.14

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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.