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Finding the Third Proportional to 153,292 and 205,998

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Solution

The third proportional to 153,292 and 205,998 is: 276,825.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,292 : 205,998 = 205,998 : x
  2. Step 2: Convert to fraction form
    153,292/205,998 = 205,998/x
  3. Step 3: Cross multiply
    153,292x = 205,998 × 205,998
  4. Step 4: Simplify right side
    153,292x = 42,435,176,004
  5. Step 5: Solve for x
    x = 42,435,176,004/153,292
  6. Step 6: Final answer
    x = 276,825.77

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.