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Finding the Third Proportional to 4,778,898.50 and 7,078,722

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Solution

The third proportional to 4,778,898.50 and 7,078,722 is: 10,485,325.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778,898.50 : 7,078,722 = 7,078,722 : x
  2. Step 2: Convert to fraction form
    4,778,898.50/7,078,722 = 7,078,722/x
  3. Step 3: Cross multiply
    4,778,898.50x = 7,078,722 × 7,078,722
  4. Step 4: Simplify right side
    4,778,898.50x = 50,108,305,153,284
  5. Step 5: Solve for x
    x = 50,108,305,153,284/4,778,898.50
  6. Step 6: Final answer
    x = 10,485,325.26

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.