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Finding the Third Proportional to 334,487.81 and 476,818.31

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Solution

The third proportional to 334,487.81 and 476,818.31 is: 679,712.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,487.81 : 476,818.31 = 476,818.31 : x
  2. Step 2: Convert to fraction form
    334,487.81/476,818.31 = 476,818.31/x
  3. Step 3: Cross multiply
    334,487.81x = 476,818.31 × 476,818.31
  4. Step 4: Simplify right side
    334,487.81x = 227,355,703,135.35
  5. Step 5: Solve for x
    x = 227,355,703,135.35/334,487.81
  6. Step 6: Final answer
    x = 679,712.97

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.