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Finding the Third Proportional to 188,017,718 and 412,356,111

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Solution

The third proportional to 188,017,718 and 412,356,111 is: 904,369,886.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,017,718 : 412,356,111 = 412,356,111 : x
  2. Step 2: Convert to fraction form
    188,017,718/412,356,111 = 412,356,111/x
  3. Step 3: Cross multiply
    188,017,718x = 412,356,111 × 412,356,111
  4. Step 4: Simplify right side
    188,017,718x = 170,037,562,279,044,320
  5. Step 5: Solve for x
    x = 170,037,562,279,044,320/188,017,718
  6. Step 6: Final answer
    x = 904,369,886.45

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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.