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Finding the Third Proportional to 10,542,436 and 16,291,464.50

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Solution

The third proportional to 10,542,436 and 16,291,464.50 is: 25,175,568.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,542,436 : 16,291,464.50 = 16,291,464.50 : x
  2. Step 2: Convert to fraction form
    10,542,436/16,291,464.50 = 16,291,464.50/x
  3. Step 3: Cross multiply
    10,542,436x = 16,291,464.50 × 16,291,464.50
  4. Step 4: Simplify right side
    10,542,436x = 265,411,815,554,760.25
  5. Step 5: Solve for x
    x = 265,411,815,554,760.25/10,542,436
  6. Step 6: Final answer
    x = 25,175,568.11

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.