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Finding the Third Proportional to 95,640 and 208,776

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Solution

The third proportional to 95,640 and 208,776 is: 455,744.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,640 : 208,776 = 208,776 : x
  2. Step 2: Convert to fraction form
    95,640/208,776 = 208,776/x
  3. Step 3: Cross multiply
    95,640x = 208,776 × 208,776
  4. Step 4: Simplify right side
    95,640x = 43,587,418,176
  5. Step 5: Solve for x
    x = 43,587,418,176/95,640
  6. Step 6: Final answer
    x = 455,744.65

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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.