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Finding the Third Proportional to 1,615,687 and 3,500,645

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Solution

The third proportional to 1,615,687 and 3,500,645 is: 7,584,708.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,687 : 3,500,645 = 3,500,645 : x
  2. Step 2: Convert to fraction form
    1,615,687/3,500,645 = 3,500,645/x
  3. Step 3: Cross multiply
    1,615,687x = 3,500,645 × 3,500,645
  4. Step 4: Simplify right side
    1,615,687x = 12,254,515,416,025
  5. Step 5: Solve for x
    x = 12,254,515,416,025/1,615,687
  6. Step 6: Final answer
    x = 7,584,708.81

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.