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Finding the Third Proportional to 305,248.50 and 663,043.50

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Solution

The third proportional to 305,248.50 and 663,043.50 is: 1,440,225.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,248.50 : 663,043.50 = 663,043.50 : x
  2. Step 2: Convert to fraction form
    305,248.50/663,043.50 = 663,043.50/x
  3. Step 3: Cross multiply
    305,248.50x = 663,043.50 × 663,043.50
  4. Step 4: Simplify right side
    305,248.50x = 439,626,682,892.25
  5. Step 5: Solve for x
    x = 439,626,682,892.25/305,248.50
  6. Step 6: Final answer
    x = 1,440,225.53

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.