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Finding the Third Proportional to 118,427.06 and 153,646.88

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Solution

The third proportional to 118,427.06 and 153,646.88 is: 199,340.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,427.06 : 153,646.88 = 153,646.88 : x
  2. Step 2: Convert to fraction form
    118,427.06/153,646.88 = 153,646.88/x
  3. Step 3: Cross multiply
    118,427.06x = 153,646.88 × 153,646.88
  4. Step 4: Simplify right side
    118,427.06x = 23,607,362,197.27
  5. Step 5: Solve for x
    x = 23,607,362,197.27/118,427.06
  6. Step 6: Final answer
    x = 199,340.94

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.