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Finding the Third Proportional to 891,172.13 and 1,924,391.25

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Solution

The third proportional to 891,172.13 and 1,924,391.25 is: 4,155,517.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,172.13 : 1,924,391.25 = 1,924,391.25 : x
  2. Step 2: Convert to fraction form
    891,172.13/1,924,391.25 = 1,924,391.25/x
  3. Step 3: Cross multiply
    891,172.13x = 1,924,391.25 × 1,924,391.25
  4. Step 4: Simplify right side
    891,172.13x = 3,703,281,683,076.56
  5. Step 5: Solve for x
    x = 3,703,281,683,076.56/891,172.13
  6. Step 6: Final answer
    x = 4,155,517.86

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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.