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Finding the Third Proportional to 79,955.07 and 172,365.79

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Solution

The third proportional to 79,955.07 and 172,365.79 is: 371,583.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,955.07 : 172,365.79 = 172,365.79 : x
  2. Step 2: Convert to fraction form
    79,955.07/172,365.79 = 172,365.79/x
  3. Step 3: Cross multiply
    79,955.07x = 172,365.79 × 172,365.79
  4. Step 4: Simplify right side
    79,955.07x = 29,709,963,892.53
  5. Step 5: Solve for x
    x = 29,709,963,892.53/79,955.07
  6. Step 6: Final answer
    x = 371,583.25

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.