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Finding the Third Proportional to 403,780.50 and 548,606.25

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Solution

The third proportional to 403,780.50 and 548,606.25 is: 745,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,780.50 : 548,606.25 = 548,606.25 : x
  2. Step 2: Convert to fraction form
    403,780.50/548,606.25 = 548,606.25/x
  3. Step 3: Cross multiply
    403,780.50x = 548,606.25 × 548,606.25
  4. Step 4: Simplify right side
    403,780.50x = 300,968,817,539.06
  5. Step 5: Solve for x
    x = 300,968,817,539.06/403,780.50
  6. Step 6: Final answer
    x = 745,377.30

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.