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Finding the Third Proportional to 65,660.63 and 100,131.19

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Solution

The third proportional to 65,660.63 and 100,131.19 is: 152,698.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,660.63 : 100,131.19 = 100,131.19 : x
  2. Step 2: Convert to fraction form
    65,660.63/100,131.19 = 100,131.19/x
  3. Step 3: Cross multiply
    65,660.63x = 100,131.19 × 100,131.19
  4. Step 4: Simplify right side
    65,660.63x = 10,026,254,710.16
  5. Step 5: Solve for x
    x = 10,026,254,710.16/65,660.63
  6. Step 6: Final answer
    x = 152,698.13

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.