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Finding the Third Proportional to 177,360.75 and 266,220

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Solution

The third proportional to 177,360.75 and 266,220 is: 399,598.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,360.75 : 266,220 = 266,220 : x
  2. Step 2: Convert to fraction form
    177,360.75/266,220 = 266,220/x
  3. Step 3: Cross multiply
    177,360.75x = 266,220 × 266,220
  4. Step 4: Simplify right side
    177,360.75x = 70,873,088,400
  5. Step 5: Solve for x
    x = 70,873,088,400/177,360.75
  6. Step 6: Final answer
    x = 399,598.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.