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Finding the Third Proportional to 28,728,556 and 40,311,852

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Solution

The third proportional to 28,728,556 and 40,311,852 is: 56,565,509.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,728,556 : 40,311,852 = 40,311,852 : x
  2. Step 2: Convert to fraction form
    28,728,556/40,311,852 = 40,311,852/x
  3. Step 3: Cross multiply
    28,728,556x = 40,311,852 × 40,311,852
  4. Step 4: Simplify right side
    28,728,556x = 1,625,045,411,669,904
  5. Step 5: Solve for x
    x = 1,625,045,411,669,904/28,728,556
  6. Step 6: Final answer
    x = 56,565,509.65

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.