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Finding the Third Proportional to 157,729 and 238,475

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Solution

The third proportional to 157,729 and 238,475 is: 360,557.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,729 : 238,475 = 238,475 : x
  2. Step 2: Convert to fraction form
    157,729/238,475 = 238,475/x
  3. Step 3: Cross multiply
    157,729x = 238,475 × 238,475
  4. Step 4: Simplify right side
    157,729x = 56,870,325,625
  5. Step 5: Solve for x
    x = 56,870,325,625/157,729
  6. Step 6: Final answer
    x = 360,557.19

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.