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Finding the Third Proportional to 9,939,960 and 21,740,976

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Solution

The third proportional to 9,939,960 and 21,740,976 is: 47,552,509.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939,960 : 21,740,976 = 21,740,976 : x
  2. Step 2: Convert to fraction form
    9,939,960/21,740,976 = 21,740,976/x
  3. Step 3: Cross multiply
    9,939,960x = 21,740,976 × 21,740,976
  4. Step 4: Simplify right side
    9,939,960x = 472,670,037,432,576
  5. Step 5: Solve for x
    x = 472,670,037,432,576/9,939,960
  6. Step 6: Final answer
    x = 47,552,509.01

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.