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Finding the Third Proportional to 611,428.50 and 880,692.75

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Solution

The third proportional to 611,428.50 and 880,692.75 is: 1,268,537.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,428.50 : 880,692.75 = 880,692.75 : x
  2. Step 2: Convert to fraction form
    611,428.50/880,692.75 = 880,692.75/x
  3. Step 3: Cross multiply
    611,428.50x = 880,692.75 × 880,692.75
  4. Step 4: Simplify right side
    611,428.50x = 775,619,719,902.56
  5. Step 5: Solve for x
    x = 775,619,719,902.56/611,428.50
  6. Step 6: Final answer
    x = 1,268,537.07

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.