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Finding the Third Proportional to 917,028 and 2,011,212

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Solution

The third proportional to 917,028 and 2,011,212 is: 4,410,959.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,028 : 2,011,212 = 2,011,212 : x
  2. Step 2: Convert to fraction form
    917,028/2,011,212 = 2,011,212/x
  3. Step 3: Cross multiply
    917,028x = 2,011,212 × 2,011,212
  4. Step 4: Simplify right side
    917,028x = 4,044,973,708,944
  5. Step 5: Solve for x
    x = 4,044,973,708,944/917,028
  6. Step 6: Final answer
    x = 4,410,959.87

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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.