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Finding the Third Proportional to 917,091 and 2,011,147

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Solution

The third proportional to 917,091 and 2,011,147 is: 4,410,371.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,091 : 2,011,147 = 2,011,147 : x
  2. Step 2: Convert to fraction form
    917,091/2,011,147 = 2,011,147/x
  3. Step 3: Cross multiply
    917,091x = 2,011,147 × 2,011,147
  4. Step 4: Simplify right side
    917,091x = 4,044,712,255,609
  5. Step 5: Solve for x
    x = 4,044,712,255,609/917,091
  6. Step 6: Final answer
    x = 4,410,371.77

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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.