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Finding the Third Proportional to 66,136.50 and 97,929

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Solution

The third proportional to 66,136.50 and 97,929 is: 145,004.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,136.50 : 97,929 = 97,929 : x
  2. Step 2: Convert to fraction form
    66,136.50/97,929 = 97,929/x
  3. Step 3: Cross multiply
    66,136.50x = 97,929 × 97,929
  4. Step 4: Simplify right side
    66,136.50x = 9,590,089,041
  5. Step 5: Solve for x
    x = 9,590,089,041/66,136.50
  6. Step 6: Final answer
    x = 145,004.48

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.