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Finding the Third Proportional to 262,942.88 and 575,640

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Solution

The third proportional to 262,942.88 and 575,640 is: 1,260,203.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,942.88 : 575,640 = 575,640 : x
  2. Step 2: Convert to fraction form
    262,942.88/575,640 = 575,640/x
  3. Step 3: Cross multiply
    262,942.88x = 575,640 × 575,640
  4. Step 4: Simplify right side
    262,942.88x = 331,361,409,600
  5. Step 5: Solve for x
    x = 331,361,409,600/262,942.88
  6. Step 6: Final answer
    x = 1,260,203.04

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.