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Finding the Third Proportional to 455,055 and 1,011,120

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Solution

The third proportional to 455,055 and 1,011,120 is: 2,246,681.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,055 : 1,011,120 = 1,011,120 : x
  2. Step 2: Convert to fraction form
    455,055/1,011,120 = 1,011,120/x
  3. Step 3: Cross multiply
    455,055x = 1,011,120 × 1,011,120
  4. Step 4: Simplify right side
    455,055x = 1,022,363,654,400
  5. Step 5: Solve for x
    x = 1,022,363,654,400/455,055
  6. Step 6: Final answer
    x = 2,246,681.51

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.