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Finding the Third Proportional to 77,306 and 110,253

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Solution

The third proportional to 77,306 and 110,253 is: 157,241.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,306 : 110,253 = 110,253 : x
  2. Step 2: Convert to fraction form
    77,306/110,253 = 110,253/x
  3. Step 3: Cross multiply
    77,306x = 110,253 × 110,253
  4. Step 4: Simplify right side
    77,306x = 12,155,724,009
  5. Step 5: Solve for x
    x = 12,155,724,009/77,306
  6. Step 6: Final answer
    x = 157,241.66

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.