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Finding the Third Proportional to 1,686,122 and 2,529,221

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Solution

The third proportional to 1,686,122 and 2,529,221 is: 3,793,888.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,122 : 2,529,221 = 2,529,221 : x
  2. Step 2: Convert to fraction form
    1,686,122/2,529,221 = 2,529,221/x
  3. Step 3: Cross multiply
    1,686,122x = 2,529,221 × 2,529,221
  4. Step 4: Simplify right side
    1,686,122x = 6,396,958,866,841
  5. Step 5: Solve for x
    x = 6,396,958,866,841/1,686,122
  6. Step 6: Final answer
    x = 3,793,888.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.