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Finding the Third Proportional to 1,619,361 and 3,487,837.50

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Solution

The third proportional to 1,619,361 and 3,487,837.50 is: 7,512,228.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,361 : 3,487,837.50 = 3,487,837.50 : x
  2. Step 2: Convert to fraction form
    1,619,361/3,487,837.50 = 3,487,837.50/x
  3. Step 3: Cross multiply
    1,619,361x = 3,487,837.50 × 3,487,837.50
  4. Step 4: Simplify right side
    1,619,361x = 12,165,010,426,406.25
  5. Step 5: Solve for x
    x = 12,165,010,426,406.25/1,619,361
  6. Step 6: Final answer
    x = 7,512,228.85

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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.