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Finding the Third Proportional to 63,699 and 134,991

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Solution

The third proportional to 63,699 and 134,991 is: 286,073.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,699 : 134,991 = 134,991 : x
  2. Step 2: Convert to fraction form
    63,699/134,991 = 134,991/x
  3. Step 3: Cross multiply
    63,699x = 134,991 × 134,991
  4. Step 4: Simplify right side
    63,699x = 18,222,570,081
  5. Step 5: Solve for x
    x = 18,222,570,081/63,699
  6. Step 6: Final answer
    x = 286,073.10

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.