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Finding the Third Proportional to 66,519.75 and 147,801.75

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Solution

The third proportional to 66,519.75 and 147,801.75 is: 328,404.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,519.75 : 147,801.75 = 147,801.75 : x
  2. Step 2: Convert to fraction form
    66,519.75/147,801.75 = 147,801.75/x
  3. Step 3: Cross multiply
    66,519.75x = 147,801.75 × 147,801.75
  4. Step 4: Simplify right side
    66,519.75x = 21,845,357,303.06
  5. Step 5: Solve for x
    x = 21,845,357,303.06/66,519.75
  6. Step 6: Final answer
    x = 328,404.08

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.