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Finding the Third Proportional to 739,818 and 1,591,905

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Solution

The third proportional to 739,818 and 1,591,905 is: 3,425,385.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,818 : 1,591,905 = 1,591,905 : x
  2. Step 2: Convert to fraction form
    739,818/1,591,905 = 1,591,905/x
  3. Step 3: Cross multiply
    739,818x = 1,591,905 × 1,591,905
  4. Step 4: Simplify right side
    739,818x = 2,534,161,529,025
  5. Step 5: Solve for x
    x = 2,534,161,529,025/739,818
  6. Step 6: Final answer
    x = 3,425,385.07

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.