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Finding the Third Proportional to 7,728,336 and 16,986,528

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Solution

The third proportional to 7,728,336 and 16,986,528 is: 37,335,609.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728,336 : 16,986,528 = 16,986,528 : x
  2. Step 2: Convert to fraction form
    7,728,336/16,986,528 = 16,986,528/x
  3. Step 3: Cross multiply
    7,728,336x = 16,986,528 × 16,986,528
  4. Step 4: Simplify right side
    7,728,336x = 288,542,133,494,784
  5. Step 5: Solve for x
    x = 288,542,133,494,784/7,728,336
  6. Step 6: Final answer
    x = 37,335,609.31

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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.