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Finding the Third Proportional to 220,038.50 and 330,544.50

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Solution

The third proportional to 220,038.50 and 330,544.50 is: 496,547.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,038.50 : 330,544.50 = 330,544.50 : x
  2. Step 2: Convert to fraction form
    220,038.50/330,544.50 = 330,544.50/x
  3. Step 3: Cross multiply
    220,038.50x = 330,544.50 × 330,544.50
  4. Step 4: Simplify right side
    220,038.50x = 109,259,666,480.25
  5. Step 5: Solve for x
    x = 109,259,666,480.25/220,038.50
  6. Step 6: Final answer
    x = 496,547.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.