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Finding the Third Proportional to 1,011,321 and 2,172,724.88

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Solution

The third proportional to 1,011,321 and 2,172,724.88 is: 4,667,888.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,321 : 2,172,724.88 = 2,172,724.88 : x
  2. Step 2: Convert to fraction form
    1,011,321/2,172,724.88 = 2,172,724.88/x
  3. Step 3: Cross multiply
    1,011,321x = 2,172,724.88 × 2,172,724.88
  4. Step 4: Simplify right side
    1,011,321x = 4,720,733,382,443.77
  5. Step 5: Solve for x
    x = 4,720,733,382,443.77/1,011,321
  6. Step 6: Final answer
    x = 4,667,888.22

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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.