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Finding the Third Proportional to 223,587 and 328,252.50

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Solution

The third proportional to 223,587 and 328,252.50 is: 481,913.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,587 : 328,252.50 = 328,252.50 : x
  2. Step 2: Convert to fraction form
    223,587/328,252.50 = 328,252.50/x
  3. Step 3: Cross multiply
    223,587x = 328,252.50 × 328,252.50
  4. Step 4: Simplify right side
    223,587x = 107,749,703,756.25
  5. Step 5: Solve for x
    x = 107,749,703,756.25/223,587
  6. Step 6: Final answer
    x = 481,913.99

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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.