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Finding the Third Proportional to 917,019.66 and 2,011,186.22

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Solution

The third proportional to 917,019.66 and 2,011,186.22 is: 4,410,886.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,019.66 : 2,011,186.22 = 2,011,186.22 : x
  2. Step 2: Convert to fraction form
    917,019.66/2,011,186.22 = 2,011,186.22/x
  3. Step 3: Cross multiply
    917,019.66x = 2,011,186.22 × 2,011,186.22
  4. Step 4: Simplify right side
    917,019.66x = 4,044,870,006,489.92
  5. Step 5: Solve for x
    x = 4,044,870,006,489.92/917,019.66
  6. Step 6: Final answer
    x = 4,410,886.92

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.