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Finding the Third Proportional to 66,875.63 and 91,702.13

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Solution

The third proportional to 66,875.63 and 91,702.13 is: 125,745.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,875.63 : 91,702.13 = 91,702.13 : x
  2. Step 2: Convert to fraction form
    66,875.63/91,702.13 = 91,702.13/x
  3. Step 3: Cross multiply
    66,875.63x = 91,702.13 × 91,702.13
  4. Step 4: Simplify right side
    66,875.63x = 8,409,279,729.52
  5. Step 5: Solve for x
    x = 8,409,279,729.52/66,875.63
  6. Step 6: Final answer
    x = 125,745.06

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.