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Finding the Third Proportional to 187,874,284 and 388,636,012

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Solution

The third proportional to 187,874,284 and 388,636,012 is: 803,930,940.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,874,284 : 388,636,012 = 388,636,012 : x
  2. Step 2: Convert to fraction form
    187,874,284/388,636,012 = 388,636,012/x
  3. Step 3: Cross multiply
    187,874,284x = 388,636,012 × 388,636,012
  4. Step 4: Simplify right side
    187,874,284x = 151,037,949,823,264,128
  5. Step 5: Solve for x
    x = 151,037,949,823,264,128/187,874,284
  6. Step 6: Final answer
    x = 803,930,940.45

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.