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Finding the Third Proportional to 354,706.50 and 545,182.50

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Solution

The third proportional to 354,706.50 and 545,182.50 is: 837,943.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,706.50 : 545,182.50 = 545,182.50 : x
  2. Step 2: Convert to fraction form
    354,706.50/545,182.50 = 545,182.50/x
  3. Step 3: Cross multiply
    354,706.50x = 545,182.50 × 545,182.50
  4. Step 4: Simplify right side
    354,706.50x = 297,223,958,306.25
  5. Step 5: Solve for x
    x = 297,223,958,306.25/354,706.50
  6. Step 6: Final answer
    x = 837,943.37

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.