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Finding the Third Proportional to 164,129.50 and 353,369

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Solution

The third proportional to 164,129.50 and 353,369 is: 760,799.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,129.50 : 353,369 = 353,369 : x
  2. Step 2: Convert to fraction form
    164,129.50/353,369 = 353,369/x
  3. Step 3: Cross multiply
    164,129.50x = 353,369 × 353,369
  4. Step 4: Simplify right side
    164,129.50x = 124,869,650,161
  5. Step 5: Solve for x
    x = 124,869,650,161/164,129.50
  6. Step 6: Final answer
    x = 760,799.55

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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.