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Finding the Third Proportional to 550,081 and 875,287

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Solution

The third proportional to 550,081 and 875,287 is: 1,392,753.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,081 : 875,287 = 875,287 : x
  2. Step 2: Convert to fraction form
    550,081/875,287 = 875,287/x
  3. Step 3: Cross multiply
    550,081x = 875,287 × 875,287
  4. Step 4: Simplify right side
    550,081x = 766,127,332,369
  5. Step 5: Solve for x
    x = 766,127,332,369/550,081
  6. Step 6: Final answer
    x = 1,392,753.67

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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.