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Finding the Third Proportional to 56,458 and 122,632

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Solution

The third proportional to 56,458 and 122,632 is: 266,368.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,458 : 122,632 = 122,632 : x
  2. Step 2: Convert to fraction form
    56,458/122,632 = 122,632/x
  3. Step 3: Cross multiply
    56,458x = 122,632 × 122,632
  4. Step 4: Simplify right side
    56,458x = 15,038,607,424
  5. Step 5: Solve for x
    x = 15,038,607,424/56,458
  6. Step 6: Final answer
    x = 266,368.05

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.