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Finding the Third Proportional to 56,692.50 and 124,137

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Solution

The third proportional to 56,692.50 and 124,137 is: 271,817.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,692.50 : 124,137 = 124,137 : x
  2. Step 2: Convert to fraction form
    56,692.50/124,137 = 124,137/x
  3. Step 3: Cross multiply
    56,692.50x = 124,137 × 124,137
  4. Step 4: Simplify right side
    56,692.50x = 15,409,994,769
  5. Step 5: Solve for x
    x = 15,409,994,769/56,692.50
  6. Step 6: Final answer
    x = 271,817.17

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.