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Finding the Third Proportional to 355,243.50 and 562,450.50

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Solution

The third proportional to 355,243.50 and 562,450.50 is: 890,517.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,243.50 : 562,450.50 = 562,450.50 : x
  2. Step 2: Convert to fraction form
    355,243.50/562,450.50 = 562,450.50/x
  3. Step 3: Cross multiply
    355,243.50x = 562,450.50 × 562,450.50
  4. Step 4: Simplify right side
    355,243.50x = 316,350,564,950.25
  5. Step 5: Solve for x
    x = 316,350,564,950.25/355,243.50
  6. Step 6: Final answer
    x = 890,517.53

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.