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Finding the Third Proportional to 4,518,201 and 9,929,097

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Solution

The third proportional to 4,518,201 and 9,929,097 is: 21,819,960.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518,201 : 9,929,097 = 9,929,097 : x
  2. Step 2: Convert to fraction form
    4,518,201/9,929,097 = 9,929,097/x
  3. Step 3: Cross multiply
    4,518,201x = 9,929,097 × 9,929,097
  4. Step 4: Simplify right side
    4,518,201x = 98,586,967,235,409
  5. Step 5: Solve for x
    x = 98,586,967,235,409/4,518,201
  6. Step 6: Final answer
    x = 21,819,960.47

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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.