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Finding the Third Proportional to 77,802.88 and 170,671.75

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Solution

The third proportional to 77,802.88 and 170,671.75 is: 374,392.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,802.88 : 170,671.75 = 170,671.75 : x
  2. Step 2: Convert to fraction form
    77,802.88/170,671.75 = 170,671.75/x
  3. Step 3: Cross multiply
    77,802.88x = 170,671.75 × 170,671.75
  4. Step 4: Simplify right side
    77,802.88x = 29,128,846,248.06
  5. Step 5: Solve for x
    x = 29,128,846,248.06/77,802.88
  6. Step 6: Final answer
    x = 374,392.93

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.