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Finding the Third Proportional to 38,498,642 and 85,604,938

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Solution

The third proportional to 38,498,642 and 85,604,938 is: 190,349,711.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,498,642 : 85,604,938 = 85,604,938 : x
  2. Step 2: Convert to fraction form
    38,498,642/85,604,938 = 85,604,938/x
  3. Step 3: Cross multiply
    38,498,642x = 85,604,938 × 85,604,938
  4. Step 4: Simplify right side
    38,498,642x = 7,328,205,409,983,844
  5. Step 5: Solve for x
    x = 7,328,205,409,983,844/38,498,642
  6. Step 6: Final answer
    x = 190,349,711.82

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.