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Finding the Third Proportional to 149,577.75 and 327,316.50

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Solution

The third proportional to 149,577.75 and 327,316.50 is: 716,256.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,577.75 : 327,316.50 = 327,316.50 : x
  2. Step 2: Convert to fraction form
    149,577.75/327,316.50 = 327,316.50/x
  3. Step 3: Cross multiply
    149,577.75x = 327,316.50 × 327,316.50
  4. Step 4: Simplify right side
    149,577.75x = 107,136,091,172.25
  5. Step 5: Solve for x
    x = 107,136,091,172.25/149,577.75
  6. Step 6: Final answer
    x = 716,256.87

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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.