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Finding the Third Proportional to 282,542 and 619,954

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Solution

The third proportional to 282,542 and 619,954 is: 1,360,303.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,542 : 619,954 = 619,954 : x
  2. Step 2: Convert to fraction form
    282,542/619,954 = 619,954/x
  3. Step 3: Cross multiply
    282,542x = 619,954 × 619,954
  4. Step 4: Simplify right side
    282,542x = 384,342,962,116
  5. Step 5: Solve for x
    x = 384,342,962,116/282,542
  6. Step 6: Final answer
    x = 1,360,303.82

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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.