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Finding the Third Proportional to 831,609 and 1,750,151

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Solution

The third proportional to 831,609 and 1,750,151 is: 3,683,255.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,609 : 1,750,151 = 1,750,151 : x
  2. Step 2: Convert to fraction form
    831,609/1,750,151 = 1,750,151/x
  3. Step 3: Cross multiply
    831,609x = 1,750,151 × 1,750,151
  4. Step 4: Simplify right side
    831,609x = 3,063,028,522,801
  5. Step 5: Solve for x
    x = 3,063,028,522,801/831,609
  6. Step 6: Final answer
    x = 3,683,255.62

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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.