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Finding the Third Proportional to 79,307.63 and 171,683.25

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Solution

The third proportional to 79,307.63 and 171,683.25 is: 371,655.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,307.63 : 171,683.25 = 171,683.25 : x
  2. Step 2: Convert to fraction form
    79,307.63/171,683.25 = 171,683.25/x
  3. Step 3: Cross multiply
    79,307.63x = 171,683.25 × 171,683.25
  4. Step 4: Simplify right side
    79,307.63x = 29,475,138,330.56
  5. Step 5: Solve for x
    x = 29,475,138,330.56/79,307.63
  6. Step 6: Final answer
    x = 371,655.79

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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.