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Finding the Third Proportional to 778,156.88 and 1,672,558.88

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Solution

The third proportional to 778,156.88 and 1,672,558.88 is: 3,594,973.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,156.88 : 1,672,558.88 = 1,672,558.88 : x
  2. Step 2: Convert to fraction form
    778,156.88/1,672,558.88 = 1,672,558.88/x
  3. Step 3: Cross multiply
    778,156.88x = 1,672,558.88 × 1,672,558.88
  4. Step 4: Simplify right side
    778,156.88x = 2,797,453,190,341.27
  5. Step 5: Solve for x
    x = 2,797,453,190,341.27/778,156.88
  6. Step 6: Final answer
    x = 3,594,973.30

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.