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Finding the Third Proportional to 4,174,456.50 and 8,980,004.25

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Solution

The third proportional to 4,174,456.50 and 8,980,004.25 is: 19,317,598.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,174,456.50 : 8,980,004.25 = 8,980,004.25 : x
  2. Step 2: Convert to fraction form
    4,174,456.50/8,980,004.25 = 8,980,004.25/x
  3. Step 3: Cross multiply
    4,174,456.50x = 8,980,004.25 × 8,980,004.25
  4. Step 4: Simplify right side
    4,174,456.50x = 80,640,476,330,018.06
  5. Step 5: Solve for x
    x = 80,640,476,330,018.06/4,174,456.50
  6. Step 6: Final answer
    x = 19,317,598.91

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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.