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Finding the Third Proportional to 66,042 and 155,770.50

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Solution

The third proportional to 66,042 and 155,770.50 is: 367,409.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,042 : 155,770.50 = 155,770.50 : x
  2. Step 2: Convert to fraction form
    66,042/155,770.50 = 155,770.50/x
  3. Step 3: Cross multiply
    66,042x = 155,770.50 × 155,770.50
  4. Step 4: Simplify right side
    66,042x = 24,264,448,670.25
  5. Step 5: Solve for x
    x = 24,264,448,670.25/66,042
  6. Step 6: Final answer
    x = 367,409.36

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.