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Finding the Third Proportional to 305,901.75 and 620,346

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Solution

The third proportional to 305,901.75 and 620,346 is: 1,258,015.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,901.75 : 620,346 = 620,346 : x
  2. Step 2: Convert to fraction form
    305,901.75/620,346 = 620,346/x
  3. Step 3: Cross multiply
    305,901.75x = 620,346 × 620,346
  4. Step 4: Simplify right side
    305,901.75x = 384,829,159,716
  5. Step 5: Solve for x
    x = 384,829,159,716/305,901.75
  6. Step 6: Final answer
    x = 1,258,015.55

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.