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Finding the Third Proportional to 691,069.50 and 1,058,611.50

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Solution

The third proportional to 691,069.50 and 1,058,611.50 is: 1,621,628.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,069.50 : 1,058,611.50 = 1,058,611.50 : x
  2. Step 2: Convert to fraction form
    691,069.50/1,058,611.50 = 1,058,611.50/x
  3. Step 3: Cross multiply
    691,069.50x = 1,058,611.50 × 1,058,611.50
  4. Step 4: Simplify right side
    691,069.50x = 1,120,658,307,932.25
  5. Step 5: Solve for x
    x = 1,120,658,307,932.25/691,069.50
  6. Step 6: Final answer
    x = 1,621,628.95

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.