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Finding the Third Proportional to 56,463 and 84,702

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Solution

The third proportional to 56,463 and 84,702 is: 127,064.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,463 : 84,702 = 84,702 : x
  2. Step 2: Convert to fraction form
    56,463/84,702 = 84,702/x
  3. Step 3: Cross multiply
    56,463x = 84,702 × 84,702
  4. Step 4: Simplify right side
    56,463x = 7,174,428,804
  5. Step 5: Solve for x
    x = 7,174,428,804/56,463
  6. Step 6: Final answer
    x = 127,064.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.