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Finding the Third Proportional to 4,100,420 and 9,004,360

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Solution

The third proportional to 4,100,420 and 9,004,360 is: 19,773,218.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,100,420 : 9,004,360 = 9,004,360 : x
  2. Step 2: Convert to fraction form
    4,100,420/9,004,360 = 9,004,360/x
  3. Step 3: Cross multiply
    4,100,420x = 9,004,360 × 9,004,360
  4. Step 4: Simplify right side
    4,100,420x = 81,078,499,009,600
  5. Step 5: Solve for x
    x = 81,078,499,009,600/4,100,420
  6. Step 6: Final answer
    x = 19,773,218.11

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.