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Finding the Third Proportional to 891,187.31 and 1,924,415.72

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Solution

The third proportional to 891,187.31 and 1,924,415.72 is: 4,155,552.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,187.31 : 1,924,415.72 = 1,924,415.72 : x
  2. Step 2: Convert to fraction form
    891,187.31/1,924,415.72 = 1,924,415.72/x
  3. Step 3: Cross multiply
    891,187.31x = 1,924,415.72 × 1,924,415.72
  4. Step 4: Simplify right side
    891,187.31x = 3,703,375,858,572.08
  5. Step 5: Solve for x
    x = 3,703,375,858,572.08/891,187.31
  6. Step 6: Final answer
    x = 4,155,552.72

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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.