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Finding the Third Proportional to 19,234,368 and 40,614,912

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Solution

The third proportional to 19,234,368 and 40,614,912 is: 85,761,646.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,234,368 : 40,614,912 = 40,614,912 : x
  2. Step 2: Convert to fraction form
    19,234,368/40,614,912 = 40,614,912/x
  3. Step 3: Cross multiply
    19,234,368x = 40,614,912 × 40,614,912
  4. Step 4: Simplify right side
    19,234,368x = 1,649,571,076,767,744
  5. Step 5: Solve for x
    x = 1,649,571,076,767,744/19,234,368
  6. Step 6: Final answer
    x = 85,761,646.90

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.