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Finding the Third Proportional to 157,620 and 242,264

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Solution

The third proportional to 157,620 and 242,264 is: 372,362.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,620 : 242,264 = 242,264 : x
  2. Step 2: Convert to fraction form
    157,620/242,264 = 242,264/x
  3. Step 3: Cross multiply
    157,620x = 242,264 × 242,264
  4. Step 4: Simplify right side
    157,620x = 58,691,845,696
  5. Step 5: Solve for x
    x = 58,691,845,696/157,620
  6. Step 6: Final answer
    x = 372,362.93

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.