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Finding the Third Proportional to 294,240.38 and 623,790

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Solution

The third proportional to 294,240.38 and 623,790 is: 1,322,435.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,240.38 : 623,790 = 623,790 : x
  2. Step 2: Convert to fraction form
    294,240.38/623,790 = 623,790/x
  3. Step 3: Cross multiply
    294,240.38x = 623,790 × 623,790
  4. Step 4: Simplify right side
    294,240.38x = 389,113,964,100
  5. Step 5: Solve for x
    x = 389,113,964,100/294,240.38
  6. Step 6: Final answer
    x = 1,322,435.66

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.