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Finding the Third Proportional to 134,897.25 and 291,408

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Solution

The third proportional to 134,897.25 and 291,408 is: 629,505.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,897.25 : 291,408 = 291,408 : x
  2. Step 2: Convert to fraction form
    134,897.25/291,408 = 291,408/x
  3. Step 3: Cross multiply
    134,897.25x = 291,408 × 291,408
  4. Step 4: Simplify right side
    134,897.25x = 84,918,622,464
  5. Step 5: Solve for x
    x = 84,918,622,464/134,897.25
  6. Step 6: Final answer
    x = 629,505.96

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.