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Finding the Third Proportional to 9,341,772 and 20,124,120

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Solution

The third proportional to 9,341,772 and 20,124,120 is: 43,351,540.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,341,772 : 20,124,120 = 20,124,120 : x
  2. Step 2: Convert to fraction form
    9,341,772/20,124,120 = 20,124,120/x
  3. Step 3: Cross multiply
    9,341,772x = 20,124,120 × 20,124,120
  4. Step 4: Simplify right side
    9,341,772x = 404,980,205,774,400
  5. Step 5: Solve for x
    x = 404,980,205,774,400/9,341,772
  6. Step 6: Final answer
    x = 43,351,540.35

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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.