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Finding the Third Proportional to 261,704 and 415,083

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Solution

The third proportional to 261,704 and 415,083 is: 658,354.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,704 : 415,083 = 415,083 : x
  2. Step 2: Convert to fraction form
    261,704/415,083 = 415,083/x
  3. Step 3: Cross multiply
    261,704x = 415,083 × 415,083
  4. Step 4: Simplify right side
    261,704x = 172,293,896,889
  5. Step 5: Solve for x
    x = 172,293,896,889/261,704
  6. Step 6: Final answer
    x = 658,354.08

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.