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Finding the Third Proportional to 66,656.25 and 102,458.25

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Solution

The third proportional to 66,656.25 and 102,458.25 is: 157,490.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,656.25 : 102,458.25 = 102,458.25 : x
  2. Step 2: Convert to fraction form
    66,656.25/102,458.25 = 102,458.25/x
  3. Step 3: Cross multiply
    66,656.25x = 102,458.25 × 102,458.25
  4. Step 4: Simplify right side
    66,656.25x = 10,497,692,993.06
  5. Step 5: Solve for x
    x = 10,497,692,993.06/66,656.25
  6. Step 6: Final answer
    x = 157,490.00

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.