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Finding the Third Proportional to 220,762 and 349,719

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Solution

The third proportional to 220,762 and 349,719 is: 554,005.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,762 : 349,719 = 349,719 : x
  2. Step 2: Convert to fraction form
    220,762/349,719 = 349,719/x
  3. Step 3: Cross multiply
    220,762x = 349,719 × 349,719
  4. Step 4: Simplify right side
    220,762x = 122,303,378,961
  5. Step 5: Solve for x
    x = 122,303,378,961/220,762
  6. Step 6: Final answer
    x = 554,005.58

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.