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Finding the Third Proportional to 101,070 and 156,935

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Solution

The third proportional to 101,070 and 156,935 is: 243,678.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,070 : 156,935 = 156,935 : x
  2. Step 2: Convert to fraction form
    101,070/156,935 = 156,935/x
  3. Step 3: Cross multiply
    101,070x = 156,935 × 156,935
  4. Step 4: Simplify right side
    101,070x = 24,628,594,225
  5. Step 5: Solve for x
    x = 24,628,594,225/101,070
  6. Step 6: Final answer
    x = 243,678.58

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.