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Finding the Third Proportional to 16,485,878 and 25,218,368

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Solution

The third proportional to 16,485,878 and 25,218,368 is: 38,576,415.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,485,878 : 25,218,368 = 25,218,368 : x
  2. Step 2: Convert to fraction form
    16,485,878/25,218,368 = 25,218,368/x
  3. Step 3: Cross multiply
    16,485,878x = 25,218,368 × 25,218,368
  4. Step 4: Simplify right side
    16,485,878x = 635,966,084,583,424
  5. Step 5: Solve for x
    x = 635,966,084,583,424/16,485,878
  6. Step 6: Final answer
    x = 38,576,415.80

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.