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Finding the Third Proportional to 831,132 and 1,792,021.50

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Solution

The third proportional to 831,132 and 1,792,021.50 is: 3,863,815.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,132 : 1,792,021.50 = 1,792,021.50 : x
  2. Step 2: Convert to fraction form
    831,132/1,792,021.50 = 1,792,021.50/x
  3. Step 3: Cross multiply
    831,132x = 1,792,021.50 × 1,792,021.50
  4. Step 4: Simplify right side
    831,132x = 3,211,341,056,462.25
  5. Step 5: Solve for x
    x = 3,211,341,056,462.25/831,132
  6. Step 6: Final answer
    x = 3,863,815.92

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.