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Finding the Third Proportional to 66,258 and 105,532

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Solution

The third proportional to 66,258 and 105,532 is: 168,085.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,258 : 105,532 = 105,532 : x
  2. Step 2: Convert to fraction form
    66,258/105,532 = 105,532/x
  3. Step 3: Cross multiply
    66,258x = 105,532 × 105,532
  4. Step 4: Simplify right side
    66,258x = 11,137,003,024
  5. Step 5: Solve for x
    x = 11,137,003,024/66,258
  6. Step 6: Final answer
    x = 168,085.41

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.