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Finding the Third Proportional to 352,512 and 728,736

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Solution

The third proportional to 352,512 and 728,736 is: 1,506,491.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,512 : 728,736 = 728,736 : x
  2. Step 2: Convert to fraction form
    352,512/728,736 = 728,736/x
  3. Step 3: Cross multiply
    352,512x = 728,736 × 728,736
  4. Step 4: Simplify right side
    352,512x = 531,056,157,696
  5. Step 5: Solve for x
    x = 531,056,157,696/352,512
  6. Step 6: Final answer
    x = 1,506,491.01

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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.