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Finding the Third Proportional to 484,921 and 1,053,778

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Solution

The third proportional to 484,921 and 1,053,778 is: 2,289,956.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,921 : 1,053,778 = 1,053,778 : x
  2. Step 2: Convert to fraction form
    484,921/1,053,778 = 1,053,778/x
  3. Step 3: Cross multiply
    484,921x = 1,053,778 × 1,053,778
  4. Step 4: Simplify right side
    484,921x = 1,110,448,073,284
  5. Step 5: Solve for x
    x = 1,110,448,073,284/484,921
  6. Step 6: Final answer
    x = 2,289,956.66

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.