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Finding the Third Proportional to 156,623 and 237,121

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Solution

The third proportional to 156,623 and 237,121 is: 358,991.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,623 : 237,121 = 237,121 : x
  2. Step 2: Convert to fraction form
    156,623/237,121 = 237,121/x
  3. Step 3: Cross multiply
    156,623x = 237,121 × 237,121
  4. Step 4: Simplify right side
    156,623x = 56,226,368,641
  5. Step 5: Solve for x
    x = 56,226,368,641/156,623
  6. Step 6: Final answer
    x = 358,991.77

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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.