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Finding the Third Proportional to 247,065 and 538,738

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Solution

The third proportional to 247,065 and 538,738 is: 1,174,746.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,065 : 538,738 = 538,738 : x
  2. Step 2: Convert to fraction form
    247,065/538,738 = 538,738/x
  3. Step 3: Cross multiply
    247,065x = 538,738 × 538,738
  4. Step 4: Simplify right side
    247,065x = 290,238,632,644
  5. Step 5: Solve for x
    x = 290,238,632,644/247,065
  6. Step 6: Final answer
    x = 1,174,746.05

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.