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Finding the Third Proportional to 61,573 and 133,929

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Solution

The third proportional to 61,573 and 133,929 is: 291,312.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,573 : 133,929 = 133,929 : x
  2. Step 2: Convert to fraction form
    61,573/133,929 = 133,929/x
  3. Step 3: Cross multiply
    61,573x = 133,929 × 133,929
  4. Step 4: Simplify right side
    61,573x = 17,936,977,041
  5. Step 5: Solve for x
    x = 17,936,977,041/61,573
  6. Step 6: Final answer
    x = 291,312.38

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.