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Finding the Third Proportional to 591,309 and 1,295,990

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Solution

The third proportional to 591,309 and 1,295,990 is: 2,840,460.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,309 : 1,295,990 = 1,295,990 : x
  2. Step 2: Convert to fraction form
    591,309/1,295,990 = 1,295,990/x
  3. Step 3: Cross multiply
    591,309x = 1,295,990 × 1,295,990
  4. Step 4: Simplify right side
    591,309x = 1,679,590,080,100
  5. Step 5: Solve for x
    x = 1,679,590,080,100/591,309
  6. Step 6: Final answer
    x = 2,840,460.88

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.