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Finding the Third Proportional to 76,587 and 114,954

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Solution

The third proportional to 76,587 and 114,954 is: 172,541.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,587 : 114,954 = 114,954 : x
  2. Step 2: Convert to fraction form
    76,587/114,954 = 114,954/x
  3. Step 3: Cross multiply
    76,587x = 114,954 × 114,954
  4. Step 4: Simplify right side
    76,587x = 13,214,422,116
  5. Step 5: Solve for x
    x = 13,214,422,116/76,587
  6. Step 6: Final answer
    x = 172,541.32

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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.