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Finding the Third Proportional to 570,236.63 and 853,669.13

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Solution

The third proportional to 570,236.63 and 853,669.13 is: 1,277,979.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,236.63 : 853,669.13 = 853,669.13 : x
  2. Step 2: Convert to fraction form
    570,236.63/853,669.13 = 853,669.13/x
  3. Step 3: Cross multiply
    570,236.63x = 853,669.13 × 853,669.13
  4. Step 4: Simplify right side
    570,236.63x = 728,750,974,978.27
  5. Step 5: Solve for x
    x = 728,750,974,978.27/570,236.63
  6. Step 6: Final answer
    x = 1,277,979.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.