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Finding the Third Proportional to 305,682.25 and 719,257.25

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Solution

The third proportional to 305,682.25 and 719,257.25 is: 1,692,381.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,682.25 : 719,257.25 = 719,257.25 : x
  2. Step 2: Convert to fraction form
    305,682.25/719,257.25 = 719,257.25/x
  3. Step 3: Cross multiply
    305,682.25x = 719,257.25 × 719,257.25
  4. Step 4: Simplify right side
    305,682.25x = 517,330,991,677.56
  5. Step 5: Solve for x
    x = 517,330,991,677.56/305,682.25
  6. Step 6: Final answer
    x = 1,692,381.52

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.