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Finding the Third Proportional to 2,129,611.50 and 4,618,539

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Solution

The third proportional to 2,129,611.50 and 4,618,539 is: 10,016,335.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,611.50 : 4,618,539 = 4,618,539 : x
  2. Step 2: Convert to fraction form
    2,129,611.50/4,618,539 = 4,618,539/x
  3. Step 3: Cross multiply
    2,129,611.50x = 4,618,539 × 4,618,539
  4. Step 4: Simplify right side
    2,129,611.50x = 21,330,902,494,521
  5. Step 5: Solve for x
    x = 21,330,902,494,521/2,129,611.50
  6. Step 6: Final answer
    x = 10,016,335.14

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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.