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Finding the Third Proportional to 28,938,879 and 62,911,422

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Solution

The third proportional to 28,938,879 and 62,911,422 is: 136,765,733.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,938,879 : 62,911,422 = 62,911,422 : x
  2. Step 2: Convert to fraction form
    28,938,879/62,911,422 = 62,911,422/x
  3. Step 3: Cross multiply
    28,938,879x = 62,911,422 × 62,911,422
  4. Step 4: Simplify right side
    28,938,879x = 3,957,847,018,062,084
  5. Step 5: Solve for x
    x = 3,957,847,018,062,084/28,938,879
  6. Step 6: Final answer
    x = 136,765,733.67

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.