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Finding the Third Proportional to 64,615.50 and 141,232.50

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Solution

The third proportional to 64,615.50 and 141,232.50 is: 308,697.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,615.50 : 141,232.50 = 141,232.50 : x
  2. Step 2: Convert to fraction form
    64,615.50/141,232.50 = 141,232.50/x
  3. Step 3: Cross multiply
    64,615.50x = 141,232.50 × 141,232.50
  4. Step 4: Simplify right side
    64,615.50x = 19,946,619,056.25
  5. Step 5: Solve for x
    x = 19,946,619,056.25/64,615.50
  6. Step 6: Final answer
    x = 308,697.12

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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.