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Finding the Third Proportional to 40,958,172 and 87,745,752

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Solution

The third proportional to 40,958,172 and 87,745,752 is: 187,979,995.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,958,172 : 87,745,752 = 87,745,752 : x
  2. Step 2: Convert to fraction form
    40,958,172/87,745,752 = 87,745,752/x
  3. Step 3: Cross multiply
    40,958,172x = 87,745,752 × 87,745,752
  4. Step 4: Simplify right side
    40,958,172x = 7,699,316,994,045,504
  5. Step 5: Solve for x
    x = 7,699,316,994,045,504/40,958,172
  6. Step 6: Final answer
    x = 187,979,995.64

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.