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Finding the Third Proportional to 1,181,121.75 and 2,529,538.88

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Solution

The third proportional to 1,181,121.75 and 2,529,538.88 is: 5,417,364.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,121.75 : 2,529,538.88 = 2,529,538.88 : x
  2. Step 2: Convert to fraction form
    1,181,121.75/2,529,538.88 = 2,529,538.88/x
  3. Step 3: Cross multiply
    1,181,121.75x = 2,529,538.88 × 2,529,538.88
  4. Step 4: Simplify right side
    1,181,121.75x = 6,398,566,920,136.27
  5. Step 5: Solve for x
    x = 6,398,566,920,136.27/1,181,121.75
  6. Step 6: Final answer
    x = 5,417,364.40

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.