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Finding the Third Proportional to 157,578.75 and 345,775.50

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Solution

The third proportional to 157,578.75 and 345,775.50 is: 758,736.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,578.75 : 345,775.50 = 345,775.50 : x
  2. Step 2: Convert to fraction form
    157,578.75/345,775.50 = 345,775.50/x
  3. Step 3: Cross multiply
    157,578.75x = 345,775.50 × 345,775.50
  4. Step 4: Simplify right side
    157,578.75x = 119,560,696,400.25
  5. Step 5: Solve for x
    x = 119,560,696,400.25/157,578.75
  6. Step 6: Final answer
    x = 758,736.16

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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.