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Finding the Third Proportional to 174,428 and 236,723

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Solution

The third proportional to 174,428 and 236,723 is: 321,265.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,428 : 236,723 = 236,723 : x
  2. Step 2: Convert to fraction form
    174,428/236,723 = 236,723/x
  3. Step 3: Cross multiply
    174,428x = 236,723 × 236,723
  4. Step 4: Simplify right side
    174,428x = 56,037,778,729
  5. Step 5: Solve for x
    x = 56,037,778,729/174,428
  6. Step 6: Final answer
    x = 321,265.96

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.