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Finding the Third Proportional to 60,646.25 and 86,840.75

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Solution

The third proportional to 60,646.25 and 86,840.75 is: 124,349.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,646.25 : 86,840.75 = 86,840.75 : x
  2. Step 2: Convert to fraction form
    60,646.25/86,840.75 = 86,840.75/x
  3. Step 3: Cross multiply
    60,646.25x = 86,840.75 × 86,840.75
  4. Step 4: Simplify right side
    60,646.25x = 7,541,315,860.56
  5. Step 5: Solve for x
    x = 7,541,315,860.56/60,646.25
  6. Step 6: Final answer
    x = 124,349.25

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.