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Finding the Third Proportional to 140,970.75 and 295,780.50

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Solution

The third proportional to 140,970.75 and 295,780.50 is: 620,597.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,970.75 : 295,780.50 = 295,780.50 : x
  2. Step 2: Convert to fraction form
    140,970.75/295,780.50 = 295,780.50/x
  3. Step 3: Cross multiply
    140,970.75x = 295,780.50 × 295,780.50
  4. Step 4: Simplify right side
    140,970.75x = 87,486,104,180.25
  5. Step 5: Solve for x
    x = 87,486,104,180.25/140,970.75
  6. Step 6: Final answer
    x = 620,597.56

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.