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Finding the Third Proportional to 76,707 and 118,786.50

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Solution

The third proportional to 76,707 and 118,786.50 is: 183,949.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,707 : 118,786.50 = 118,786.50 : x
  2. Step 2: Convert to fraction form
    76,707/118,786.50 = 118,786.50/x
  3. Step 3: Cross multiply
    76,707x = 118,786.50 × 118,786.50
  4. Step 4: Simplify right side
    76,707x = 14,110,232,582.25
  5. Step 5: Solve for x
    x = 14,110,232,582.25/76,707
  6. Step 6: Final answer
    x = 183,949.74

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.