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Finding the Third Proportional to 156,912 and 236,835

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Solution

The third proportional to 156,912 and 236,835 is: 357,466.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,912 : 236,835 = 236,835 : x
  2. Step 2: Convert to fraction form
    156,912/236,835 = 236,835/x
  3. Step 3: Cross multiply
    156,912x = 236,835 × 236,835
  4. Step 4: Simplify right side
    156,912x = 56,090,817,225
  5. Step 5: Solve for x
    x = 56,090,817,225/156,912
  6. Step 6: Final answer
    x = 357,466.72

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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.