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Finding the Third Proportional to 9,437,472 and 20,641,176

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Solution

The third proportional to 9,437,472 and 20,641,176 is: 45,145,368.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,437,472 : 20,641,176 = 20,641,176 : x
  2. Step 2: Convert to fraction form
    9,437,472/20,641,176 = 20,641,176/x
  3. Step 3: Cross multiply
    9,437,472x = 20,641,176 × 20,641,176
  4. Step 4: Simplify right side
    9,437,472x = 426,058,146,662,976
  5. Step 5: Solve for x
    x = 426,058,146,662,976/9,437,472
  6. Step 6: Final answer
    x = 45,145,368.02

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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.