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Finding the Third Proportional to 9,318,516 and 19,932,468

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Solution

The third proportional to 9,318,516 and 19,932,468 is: 42,635,896.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318,516 : 19,932,468 = 19,932,468 : x
  2. Step 2: Convert to fraction form
    9,318,516/19,932,468 = 19,932,468/x
  3. Step 3: Cross multiply
    9,318,516x = 19,932,468 × 19,932,468
  4. Step 4: Simplify right side
    9,318,516x = 397,303,280,571,024
  5. Step 5: Solve for x
    x = 397,303,280,571,024/9,318,516
  6. Step 6: Final answer
    x = 42,635,896.16

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.