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Finding the Third Proportional to 157,611.75 and 342,015.75

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Solution

The third proportional to 157,611.75 and 342,015.75 is: 742,170.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,611.75 : 342,015.75 = 342,015.75 : x
  2. Step 2: Convert to fraction form
    157,611.75/342,015.75 = 342,015.75/x
  3. Step 3: Cross multiply
    157,611.75x = 342,015.75 × 342,015.75
  4. Step 4: Simplify right side
    157,611.75x = 116,974,773,248.06
  5. Step 5: Solve for x
    x = 116,974,773,248.06/157,611.75
  6. Step 6: Final answer
    x = 742,170.39

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.