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Finding the Third Proportional to 191,307 and 242,566

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Solution

The third proportional to 191,307 and 242,566 is: 307,559.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,307 : 242,566 = 242,566 : x
  2. Step 2: Convert to fraction form
    191,307/242,566 = 242,566/x
  3. Step 3: Cross multiply
    191,307x = 242,566 × 242,566
  4. Step 4: Simplify right side
    191,307x = 58,838,264,356
  5. Step 5: Solve for x
    x = 58,838,264,356/191,307
  6. Step 6: Final answer
    x = 307,559.39

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.