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Finding the Third Proportional to 90,488.25 and 118,992.38

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Solution

The third proportional to 90,488.25 and 118,992.38 is: 156,475.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,488.25 : 118,992.38 = 118,992.38 : x
  2. Step 2: Convert to fraction form
    90,488.25/118,992.38 = 118,992.38/x
  3. Step 3: Cross multiply
    90,488.25x = 118,992.38 × 118,992.38
  4. Step 4: Simplify right side
    90,488.25x = 14,159,185,308.14
  5. Step 5: Solve for x
    x = 14,159,185,308.14/90,488.25
  6. Step 6: Final answer
    x = 156,475.40

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.