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Finding the Third Proportional to 307,288 and 460,940

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Solution

The third proportional to 307,288 and 460,940 is: 691,422.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,288 : 460,940 = 460,940 : x
  2. Step 2: Convert to fraction form
    307,288/460,940 = 460,940/x
  3. Step 3: Cross multiply
    307,288x = 460,940 × 460,940
  4. Step 4: Simplify right side
    307,288x = 212,465,683,600
  5. Step 5: Solve for x
    x = 212,465,683,600/307,288
  6. Step 6: Final answer
    x = 691,422.00

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.