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Finding the Third Proportional to 156,935 and 342,300

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Solution

The third proportional to 156,935 and 342,300 is: 746,610.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,935 : 342,300 = 342,300 : x
  2. Step 2: Convert to fraction form
    156,935/342,300 = 342,300/x
  3. Step 3: Cross multiply
    156,935x = 342,300 × 342,300
  4. Step 4: Simplify right side
    156,935x = 117,169,290,000
  5. Step 5: Solve for x
    x = 117,169,290,000/156,935
  6. Step 6: Final answer
    x = 746,610.32

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.