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Finding the Third Proportional to 28,781,128 and 58,718,396

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Solution

The third proportional to 28,781,128 and 58,718,396 is: 119,795,514.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,781,128 : 58,718,396 = 58,718,396 : x
  2. Step 2: Convert to fraction form
    28,781,128/58,718,396 = 58,718,396/x
  3. Step 3: Cross multiply
    28,781,128x = 58,718,396 × 58,718,396
  4. Step 4: Simplify right side
    28,781,128x = 3,447,850,028,812,816
  5. Step 5: Solve for x
    x = 3,447,850,028,812,816/28,781,128
  6. Step 6: Final answer
    x = 119,795,514.23

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.