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Finding the Third Proportional to 157,970 and 350,932

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Solution

The third proportional to 157,970 and 350,932 is: 779,599.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,970 : 350,932 = 350,932 : x
  2. Step 2: Convert to fraction form
    157,970/350,932 = 350,932/x
  3. Step 3: Cross multiply
    157,970x = 350,932 × 350,932
  4. Step 4: Simplify right side
    157,970x = 123,153,268,624
  5. Step 5: Solve for x
    x = 123,153,268,624/157,970
  6. Step 6: Final answer
    x = 779,599.09

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.