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Finding the Third Proportional to 85,388.06 and 127,388.53

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Solution

The third proportional to 85,388.06 and 127,388.53 is: 190,048.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,388.06 : 127,388.53 = 127,388.53 : x
  2. Step 2: Convert to fraction form
    85,388.06/127,388.53 = 127,388.53/x
  3. Step 3: Cross multiply
    85,388.06x = 127,388.53 × 127,388.53
  4. Step 4: Simplify right side
    85,388.06x = 16,227,837,894.03
  5. Step 5: Solve for x
    x = 16,227,837,894.03/85,388.06
  6. Step 6: Final answer
    x = 190,048.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.