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Finding the Third Proportional to 159,711.75 and 349,312.50

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Solution

The third proportional to 159,711.75 and 349,312.50 is: 763,996.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,711.75 : 349,312.50 = 349,312.50 : x
  2. Step 2: Convert to fraction form
    159,711.75/349,312.50 = 349,312.50/x
  3. Step 3: Cross multiply
    159,711.75x = 349,312.50 × 349,312.50
  4. Step 4: Simplify right side
    159,711.75x = 122,019,222,656.25
  5. Step 5: Solve for x
    x = 122,019,222,656.25/159,711.75
  6. Step 6: Final answer
    x = 763,996.53

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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.