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Finding the Third Proportional to 66,698 and 157,444

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Solution

The third proportional to 66,698 and 157,444 is: 371,654.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,698 : 157,444 = 157,444 : x
  2. Step 2: Convert to fraction form
    66,698/157,444 = 157,444/x
  3. Step 3: Cross multiply
    66,698x = 157,444 × 157,444
  4. Step 4: Simplify right side
    66,698x = 24,788,613,136
  5. Step 5: Solve for x
    x = 24,788,613,136/66,698
  6. Step 6: Final answer
    x = 371,654.52

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.