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Finding the Third Proportional to 18,779,228 and 41,145,136

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Solution

The third proportional to 18,779,228 and 41,145,136 is: 90,148,658.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,779,228 : 41,145,136 = 41,145,136 : x
  2. Step 2: Convert to fraction form
    18,779,228/41,145,136 = 41,145,136/x
  3. Step 3: Cross multiply
    18,779,228x = 41,145,136 × 41,145,136
  4. Step 4: Simplify right side
    18,779,228x = 1,692,922,216,458,496
  5. Step 5: Solve for x
    x = 1,692,922,216,458,496/18,779,228
  6. Step 6: Final answer
    x = 90,148,658.74

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.