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Finding the Third Proportional to 153,942 and 335,748

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Solution

The third proportional to 153,942 and 335,748 is: 732,267.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,942 : 335,748 = 335,748 : x
  2. Step 2: Convert to fraction form
    153,942/335,748 = 335,748/x
  3. Step 3: Cross multiply
    153,942x = 335,748 × 335,748
  4. Step 4: Simplify right side
    153,942x = 112,726,719,504
  5. Step 5: Solve for x
    x = 112,726,719,504/153,942
  6. Step 6: Final answer
    x = 732,267.47

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.