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Finding the Third Proportional to 4,996,438 and 10,385,396

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Solution

The third proportional to 4,996,438 and 10,385,396 is: 21,586,668.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,996,438 : 10,385,396 = 10,385,396 : x
  2. Step 2: Convert to fraction form
    4,996,438/10,385,396 = 10,385,396/x
  3. Step 3: Cross multiply
    4,996,438x = 10,385,396 × 10,385,396
  4. Step 4: Simplify right side
    4,996,438x = 107,856,450,076,816
  5. Step 5: Solve for x
    x = 107,856,450,076,816/4,996,438
  6. Step 6: Final answer
    x = 21,586,668.36

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.