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Finding the Third Proportional to 5,046 and 7,057

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Solution

The third proportional to 5,046 and 7,057 is: 9,869.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,046 : 7,057 = 7,057 : x
  2. Step 2: Convert to fraction form
    5,046/7,057 = 7,057/x
  3. Step 3: Cross multiply
    5,046x = 7,057 × 7,057
  4. Step 4: Simplify right side
    5,046x = 49,801,249
  5. Step 5: Solve for x
    x = 49,801,249/5,046
  6. Step 6: Final answer
    x = 9,869.45

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.