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Finding the Third Proportional to 335,128 and 722,752

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Solution

The third proportional to 335,128 and 722,752 is: 1,558,719.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,128 : 722,752 = 722,752 : x
  2. Step 2: Convert to fraction form
    335,128/722,752 = 722,752/x
  3. Step 3: Cross multiply
    335,128x = 722,752 × 722,752
  4. Step 4: Simplify right side
    335,128x = 522,370,453,504
  5. Step 5: Solve for x
    x = 522,370,453,504/335,128
  6. Step 6: Final answer
    x = 1,558,719.22

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.