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Finding the Third Proportional to 147,613 and 305,731

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Solution

The third proportional to 147,613 and 305,731 is: 633,219.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,613 : 305,731 = 305,731 : x
  2. Step 2: Convert to fraction form
    147,613/305,731 = 305,731/x
  3. Step 3: Cross multiply
    147,613x = 305,731 × 305,731
  4. Step 4: Simplify right side
    147,613x = 93,471,444,361
  5. Step 5: Solve for x
    x = 93,471,444,361/147,613
  6. Step 6: Final answer
    x = 633,219.60

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.