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Finding the Third Proportional to 153,173 and 336,550

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Solution

The third proportional to 153,173 and 336,550 is: 739,463.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,173 : 336,550 = 336,550 : x
  2. Step 2: Convert to fraction form
    153,173/336,550 = 336,550/x
  3. Step 3: Cross multiply
    153,173x = 336,550 × 336,550
  4. Step 4: Simplify right side
    153,173x = 113,265,902,500
  5. Step 5: Solve for x
    x = 113,265,902,500/153,173
  6. Step 6: Final answer
    x = 739,463.89

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.