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Finding the Third Proportional to 980,435 and 1,350,115

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Solution

The third proportional to 980,435 and 1,350,115 is: 1,859,185.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,435 : 1,350,115 = 1,350,115 : x
  2. Step 2: Convert to fraction form
    980,435/1,350,115 = 1,350,115/x
  3. Step 3: Cross multiply
    980,435x = 1,350,115 × 1,350,115
  4. Step 4: Simplify right side
    980,435x = 1,822,810,513,225
  5. Step 5: Solve for x
    x = 1,822,810,513,225/980,435
  6. Step 6: Final answer
    x = 1,859,185.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.