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Finding the Third Proportional to 831,611 and 1,750,155

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Solution

The third proportional to 831,611 and 1,750,155 is: 3,683,263.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,611 : 1,750,155 = 1,750,155 : x
  2. Step 2: Convert to fraction form
    831,611/1,750,155 = 1,750,155/x
  3. Step 3: Cross multiply
    831,611x = 1,750,155 × 1,750,155
  4. Step 4: Simplify right side
    831,611x = 3,063,042,524,025
  5. Step 5: Solve for x
    x = 3,063,042,524,025/831,611
  6. Step 6: Final answer
    x = 3,683,263.60

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.