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Finding the Third Proportional to 537,720 and 825,379.50

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Solution

The third proportional to 537,720 and 825,379.50 is: 1,266,925.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,720 : 825,379.50 = 825,379.50 : x
  2. Step 2: Convert to fraction form
    537,720/825,379.50 = 825,379.50/x
  3. Step 3: Cross multiply
    537,720x = 825,379.50 × 825,379.50
  4. Step 4: Simplify right side
    537,720x = 681,251,319,020.25
  5. Step 5: Solve for x
    x = 681,251,319,020.25/537,720
  6. Step 6: Final answer
    x = 1,266,925.76

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.