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Finding the Third Proportional to 56,621 and 115,702

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Solution

The third proportional to 56,621 and 115,702 is: 236,430.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,621 : 115,702 = 115,702 : x
  2. Step 2: Convert to fraction form
    56,621/115,702 = 115,702/x
  3. Step 3: Cross multiply
    56,621x = 115,702 × 115,702
  4. Step 4: Simplify right side
    56,621x = 13,386,952,804
  5. Step 5: Solve for x
    x = 13,386,952,804/56,621
  6. Step 6: Final answer
    x = 236,430.88

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.