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Finding the Third Proportional to 60,028.50 and 128,952

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Solution

The third proportional to 60,028.50 and 128,952 is: 277,012.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,028.50 : 128,952 = 128,952 : x
  2. Step 2: Convert to fraction form
    60,028.50/128,952 = 128,952/x
  3. Step 3: Cross multiply
    60,028.50x = 128,952 × 128,952
  4. Step 4: Simplify right side
    60,028.50x = 16,628,618,304
  5. Step 5: Solve for x
    x = 16,628,618,304/60,028.50
  6. Step 6: Final answer
    x = 277,012.06

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.