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Finding the Third Proportional to 2,808,879.75 and 4,242,838.50

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Solution

The third proportional to 2,808,879.75 and 4,242,838.50 is: 6,408,846.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,879.75 : 4,242,838.50 = 4,242,838.50 : x
  2. Step 2: Convert to fraction form
    2,808,879.75/4,242,838.50 = 4,242,838.50/x
  3. Step 3: Cross multiply
    2,808,879.75x = 4,242,838.50 × 4,242,838.50
  4. Step 4: Simplify right side
    2,808,879.75x = 18,001,678,537,082.25
  5. Step 5: Solve for x
    x = 18,001,678,537,082.25/2,808,879.75
  6. Step 6: Final answer
    x = 6,408,846.28

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.