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Finding the Third Proportional to 169,440 and 365,122.50

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Solution

The third proportional to 169,440 and 365,122.50 is: 786,794.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,440 : 365,122.50 = 365,122.50 : x
  2. Step 2: Convert to fraction form
    169,440/365,122.50 = 365,122.50/x
  3. Step 3: Cross multiply
    169,440x = 365,122.50 × 365,122.50
  4. Step 4: Simplify right side
    169,440x = 133,314,440,006.25
  5. Step 5: Solve for x
    x = 133,314,440,006.25/169,440
  6. Step 6: Final answer
    x = 786,794.38

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.