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Finding the Third Proportional to 59,143.50 and 136,779.75

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Solution

The third proportional to 59,143.50 and 136,779.75 is: 316,327.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,143.50 : 136,779.75 = 136,779.75 : x
  2. Step 2: Convert to fraction form
    59,143.50/136,779.75 = 136,779.75/x
  3. Step 3: Cross multiply
    59,143.50x = 136,779.75 × 136,779.75
  4. Step 4: Simplify right side
    59,143.50x = 18,708,700,010.06
  5. Step 5: Solve for x
    x = 18,708,700,010.06/59,143.50
  6. Step 6: Final answer
    x = 316,327.24

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.