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Finding the Third Proportional to 114,987 and 168,106.50

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Solution

The third proportional to 114,987 and 168,106.50 is: 245,765.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,987 : 168,106.50 = 168,106.50 : x
  2. Step 2: Convert to fraction form
    114,987/168,106.50 = 168,106.50/x
  3. Step 3: Cross multiply
    114,987x = 168,106.50 × 168,106.50
  4. Step 4: Simplify right side
    114,987x = 28,259,795,342.25
  5. Step 5: Solve for x
    x = 28,259,795,342.25/114,987
  6. Step 6: Final answer
    x = 245,765.13

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.