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Finding the Third Proportional to 304,705.50 and 660,261

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Solution

The third proportional to 304,705.50 and 660,261 is: 1,430,707.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,705.50 : 660,261 = 660,261 : x
  2. Step 2: Convert to fraction form
    304,705.50/660,261 = 660,261/x
  3. Step 3: Cross multiply
    304,705.50x = 660,261 × 660,261
  4. Step 4: Simplify right side
    304,705.50x = 435,944,588,121
  5. Step 5: Solve for x
    x = 435,944,588,121/304,705.50
  6. Step 6: Final answer
    x = 1,430,707.97

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.