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Finding the Third Proportional to 753,394.92 and 1,778,129.72

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Solution

The third proportional to 753,394.92 and 1,778,129.72 is: 4,196,663.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,394.92 : 1,778,129.72 = 1,778,129.72 : x
  2. Step 2: Convert to fraction form
    753,394.92/1,778,129.72 = 1,778,129.72/x
  3. Step 3: Cross multiply
    753,394.92x = 1,778,129.72 × 1,778,129.72
  4. Step 4: Simplify right side
    753,394.92x = 3,161,745,296,701.95
  5. Step 5: Solve for x
    x = 3,161,745,296,701.95/753,394.92
  6. Step 6: Final answer
    x = 4,196,663.93

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.