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Finding the Third Proportional to 8,507,390 and 13,076,446

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Solution

The third proportional to 8,507,390 and 13,076,446 is: 20,099,400.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,507,390 : 13,076,446 = 13,076,446 : x
  2. Step 2: Convert to fraction form
    8,507,390/13,076,446 = 13,076,446/x
  3. Step 3: Cross multiply
    8,507,390x = 13,076,446 × 13,076,446
  4. Step 4: Simplify right side
    8,507,390x = 170,993,439,990,916
  5. Step 5: Solve for x
    x = 170,993,439,990,916/8,507,390
  6. Step 6: Final answer
    x = 20,099,400.64

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.