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Finding the Third Proportional to 141,790.50 and 272,949.75

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Solution

The third proportional to 141,790.50 and 272,949.75 is: 525,434.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,790.50 : 272,949.75 = 272,949.75 : x
  2. Step 2: Convert to fraction form
    141,790.50/272,949.75 = 272,949.75/x
  3. Step 3: Cross multiply
    141,790.50x = 272,949.75 × 272,949.75
  4. Step 4: Simplify right side
    141,790.50x = 74,501,566,025.06
  5. Step 5: Solve for x
    x = 74,501,566,025.06/141,790.50
  6. Step 6: Final answer
    x = 525,434.12

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Why These Related Problems?

These problems maintain the same ratio (1.93) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.