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Finding the Third Proportional to 155,841.25 and 336,285.50

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Solution

The third proportional to 155,841.25 and 336,285.50 is: 725,661.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,841.25 : 336,285.50 = 336,285.50 : x
  2. Step 2: Convert to fraction form
    155,841.25/336,285.50 = 336,285.50/x
  3. Step 3: Cross multiply
    155,841.25x = 336,285.50 × 336,285.50
  4. Step 4: Simplify right side
    155,841.25x = 113,087,937,510.25
  5. Step 5: Solve for x
    x = 113,087,937,510.25/155,841.25
  6. Step 6: Final answer
    x = 725,661.13

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.