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Finding the Third Proportional to 907,872 and 1,995,840

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Solution

The third proportional to 907,872 and 1,995,840 is: 4,387,597.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,872 : 1,995,840 = 1,995,840 : x
  2. Step 2: Convert to fraction form
    907,872/1,995,840 = 1,995,840/x
  3. Step 3: Cross multiply
    907,872x = 1,995,840 × 1,995,840
  4. Step 4: Simplify right side
    907,872x = 3,983,377,305,600
  5. Step 5: Solve for x
    x = 3,983,377,305,600/907,872
  6. Step 6: Final answer
    x = 4,387,597.93

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.