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Finding the Third Proportional to 56,004 and 86,716

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Solution

The third proportional to 56,004 and 86,716 is: 134,270.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,004 : 86,716 = 86,716 : x
  2. Step 2: Convert to fraction form
    56,004/86,716 = 86,716/x
  3. Step 3: Cross multiply
    56,004x = 86,716 × 86,716
  4. Step 4: Simplify right side
    56,004x = 7,519,664,656
  5. Step 5: Solve for x
    x = 7,519,664,656/56,004
  6. Step 6: Final answer
    x = 134,270.14

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.