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Finding the Third Proportional to 691,657.50 and 1,058,475

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Solution

The third proportional to 691,657.50 and 1,058,475 is: 1,619,832.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,657.50 : 1,058,475 = 1,058,475 : x
  2. Step 2: Convert to fraction form
    691,657.50/1,058,475 = 1,058,475/x
  3. Step 3: Cross multiply
    691,657.50x = 1,058,475 × 1,058,475
  4. Step 4: Simplify right side
    691,657.50x = 1,120,369,325,625
  5. Step 5: Solve for x
    x = 1,120,369,325,625/691,657.50
  6. Step 6: Final answer
    x = 1,619,832.54

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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.