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Finding the Third Proportional to 65,756.25 and 143,817.25

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Solution

The third proportional to 65,756.25 and 143,817.25 is: 314,546.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,756.25 : 143,817.25 = 143,817.25 : x
  2. Step 2: Convert to fraction form
    65,756.25/143,817.25 = 143,817.25/x
  3. Step 3: Cross multiply
    65,756.25x = 143,817.25 × 143,817.25
  4. Step 4: Simplify right side
    65,756.25x = 20,683,401,397.56
  5. Step 5: Solve for x
    x = 20,683,401,397.56/65,756.25
  6. Step 6: Final answer
    x = 314,546.55

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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.