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Finding the Third Proportional to 66,152 and 99,377

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Solution

The third proportional to 66,152 and 99,377 is: 149,289.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,152 : 99,377 = 99,377 : x
  2. Step 2: Convert to fraction form
    66,152/99,377 = 99,377/x
  3. Step 3: Cross multiply
    66,152x = 99,377 × 99,377
  4. Step 4: Simplify right side
    66,152x = 9,875,788,129
  5. Step 5: Solve for x
    x = 9,875,788,129/66,152
  6. Step 6: Final answer
    x = 149,289.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.