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Finding the Third Proportional to 40,076,840 and 87,532,344

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Solution

The third proportional to 40,076,840 and 87,532,344 is: 191,180,523.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,076,840 : 87,532,344 = 87,532,344 : x
  2. Step 2: Convert to fraction form
    40,076,840/87,532,344 = 87,532,344/x
  3. Step 3: Cross multiply
    40,076,840x = 87,532,344 × 87,532,344
  4. Step 4: Simplify right side
    40,076,840x = 7,661,911,246,134,336
  5. Step 5: Solve for x
    x = 7,661,911,246,134,336/40,076,840
  6. Step 6: Final answer
    x = 191,180,523.37

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.