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Finding the Third Proportional to 1,421,240.25 and 2,186,753.25

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Solution

The third proportional to 1,421,240.25 and 2,186,753.25 is: 3,364,589.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,240.25 : 2,186,753.25 = 2,186,753.25 : x
  2. Step 2: Convert to fraction form
    1,421,240.25/2,186,753.25 = 2,186,753.25/x
  3. Step 3: Cross multiply
    1,421,240.25x = 2,186,753.25 × 2,186,753.25
  4. Step 4: Simplify right side
    1,421,240.25x = 4,781,889,776,385.56
  5. Step 5: Solve for x
    x = 4,781,889,776,385.56/1,421,240.25
  6. Step 6: Final answer
    x = 3,364,589.33

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.