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Finding the Third Proportional to 85,437 and 131,502

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Solution

The third proportional to 85,437 and 131,502 is: 202,403.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,437 : 131,502 = 131,502 : x
  2. Step 2: Convert to fraction form
    85,437/131,502 = 131,502/x
  3. Step 3: Cross multiply
    85,437x = 131,502 × 131,502
  4. Step 4: Simplify right side
    85,437x = 17,292,776,004
  5. Step 5: Solve for x
    x = 17,292,776,004/85,437
  6. Step 6: Final answer
    x = 202,403.83

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.