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Finding the Third Proportional to 336,344.75 and 521,329.50

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Solution

The third proportional to 336,344.75 and 521,329.50 is: 808,053.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,344.75 : 521,329.50 = 521,329.50 : x
  2. Step 2: Convert to fraction form
    336,344.75/521,329.50 = 521,329.50/x
  3. Step 3: Cross multiply
    336,344.75x = 521,329.50 × 521,329.50
  4. Step 4: Simplify right side
    336,344.75x = 271,784,447,570.25
  5. Step 5: Solve for x
    x = 271,784,447,570.25/336,344.75
  6. Step 6: Final answer
    x = 808,053.19

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.