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Finding the Third Proportional to 286,158.94 and 455,506.31

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Solution

The third proportional to 286,158.94 and 455,506.31 is: 725,072.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,158.94 : 455,506.31 = 455,506.31 : x
  2. Step 2: Convert to fraction form
    286,158.94/455,506.31 = 455,506.31/x
  3. Step 3: Cross multiply
    286,158.94x = 455,506.31 × 455,506.31
  4. Step 4: Simplify right side
    286,158.94x = 207,486,000,727.35
  5. Step 5: Solve for x
    x = 207,486,000,727.35/286,158.94
  6. Step 6: Final answer
    x = 725,072.59

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.