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Finding the Third Proportional to 1,035,630 and 1,399,203

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Solution

The third proportional to 1,035,630 and 1,399,203 is: 1,890,413.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,630 : 1,399,203 = 1,399,203 : x
  2. Step 2: Convert to fraction form
    1,035,630/1,399,203 = 1,399,203/x
  3. Step 3: Cross multiply
    1,035,630x = 1,399,203 × 1,399,203
  4. Step 4: Simplify right side
    1,035,630x = 1,957,769,035,209
  5. Step 5: Solve for x
    x = 1,957,769,035,209/1,035,630
  6. Step 6: Final answer
    x = 1,890,413.60

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.