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Finding the Third Proportional to 287,484.19 and 632,787.19

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Solution

The third proportional to 287,484.19 and 632,787.19 is: 1,392,840.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,484.19 : 632,787.19 = 632,787.19 : x
  2. Step 2: Convert to fraction form
    287,484.19/632,787.19 = 632,787.19/x
  3. Step 3: Cross multiply
    287,484.19x = 632,787.19 × 632,787.19
  4. Step 4: Simplify right side
    287,484.19x = 400,419,624,664.16
  5. Step 5: Solve for x
    x = 400,419,624,664.16/287,484.19
  6. Step 6: Final answer
    x = 1,392,840.52

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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.