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Finding the Third Proportional to 76,776 and 117,594.75

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Solution

The third proportional to 76,776 and 117,594.75 is: 180,115.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,776 : 117,594.75 = 117,594.75 : x
  2. Step 2: Convert to fraction form
    76,776/117,594.75 = 117,594.75/x
  3. Step 3: Cross multiply
    76,776x = 117,594.75 × 117,594.75
  4. Step 4: Simplify right side
    76,776x = 13,828,525,227.56
  5. Step 5: Solve for x
    x = 13,828,525,227.56/76,776
  6. Step 6: Final answer
    x = 180,115.21

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.