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Finding the Third Proportional to 783,960.75 and 1,662,120

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Solution

The third proportional to 783,960.75 and 1,662,120 is: 3,523,955.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,960.75 : 1,662,120 = 1,662,120 : x
  2. Step 2: Convert to fraction form
    783,960.75/1,662,120 = 1,662,120/x
  3. Step 3: Cross multiply
    783,960.75x = 1,662,120 × 1,662,120
  4. Step 4: Simplify right side
    783,960.75x = 2,762,642,894,400
  5. Step 5: Solve for x
    x = 2,762,642,894,400/783,960.75
  6. Step 6: Final answer
    x = 3,523,955.62

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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.