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Finding the Third Proportional to 550,068 and 875,266

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Solution

The third proportional to 550,068 and 875,266 is: 1,392,719.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,068 : 875,266 = 875,266 : x
  2. Step 2: Convert to fraction form
    550,068/875,266 = 875,266/x
  3. Step 3: Cross multiply
    550,068x = 875,266 × 875,266
  4. Step 4: Simplify right side
    550,068x = 766,090,570,756
  5. Step 5: Solve for x
    x = 766,090,570,756/550,068
  6. Step 6: Final answer
    x = 1,392,719.76

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.