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Finding the Third Proportional to 16,506,817 and 38,839,856

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Solution

The third proportional to 16,506,817 and 38,839,856 is: 91,388,570.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,506,817 : 38,839,856 = 38,839,856 : x
  2. Step 2: Convert to fraction form
    16,506,817/38,839,856 = 38,839,856/x
  3. Step 3: Cross multiply
    16,506,817x = 38,839,856 × 38,839,856
  4. Step 4: Simplify right side
    16,506,817x = 1,508,534,414,100,736
  5. Step 5: Solve for x
    x = 1,508,534,414,100,736/16,506,817
  6. Step 6: Final answer
    x = 91,388,570.80

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.