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Finding the Third Proportional to 305,655.75 and 670,362.75

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Solution

The third proportional to 305,655.75 and 670,362.75 is: 1,470,236.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,655.75 : 670,362.75 = 670,362.75 : x
  2. Step 2: Convert to fraction form
    305,655.75/670,362.75 = 670,362.75/x
  3. Step 3: Cross multiply
    305,655.75x = 670,362.75 × 670,362.75
  4. Step 4: Simplify right side
    305,655.75x = 449,386,216,587.56
  5. Step 5: Solve for x
    x = 449,386,216,587.56/305,655.75
  6. Step 6: Final answer
    x = 1,470,236.42

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