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Finding the Third Proportional to 268,384.50 and 411,176.25

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Solution

The third proportional to 268,384.50 and 411,176.25 is: 629,939.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,384.50 : 411,176.25 = 411,176.25 : x
  2. Step 2: Convert to fraction form
    268,384.50/411,176.25 = 411,176.25/x
  3. Step 3: Cross multiply
    268,384.50x = 411,176.25 × 411,176.25
  4. Step 4: Simplify right side
    268,384.50x = 169,065,908,564.06
  5. Step 5: Solve for x
    x = 169,065,908,564.06/268,384.50
  6. Step 6: Final answer
    x = 629,939.17

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.