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Finding the Third Proportional to 983,405.81 and 1,518,787.97

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Solution

The third proportional to 983,405.81 and 1,518,787.97 is: 2,345,640.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,405.81 : 1,518,787.97 = 1,518,787.97 : x
  2. Step 2: Convert to fraction form
    983,405.81/1,518,787.97 = 1,518,787.97/x
  3. Step 3: Cross multiply
    983,405.81x = 1,518,787.97 × 1,518,787.97
  4. Step 4: Simplify right side
    983,405.81x = 2,306,716,894,019.75
  5. Step 5: Solve for x
    x = 2,306,716,894,019.75/983,405.81
  6. Step 6: Final answer
    x = 2,345,640.90

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.