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Finding the Third Proportional to 66,090.94 and 100,688.06

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Solution

The third proportional to 66,090.94 and 100,688.06 is: 153,396.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,090.94 : 100,688.06 = 100,688.06 : x
  2. Step 2: Convert to fraction form
    66,090.94/100,688.06 = 100,688.06/x
  3. Step 3: Cross multiply
    66,090.94x = 100,688.06 × 100,688.06
  4. Step 4: Simplify right side
    66,090.94x = 10,138,085,930.00
  5. Step 5: Solve for x
    x = 10,138,085,930.00/66,090.94
  6. Step 6: Final answer
    x = 153,396.01

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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.