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Finding the Third Proportional to 2,878,718 and 6,156,018

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Solution

The third proportional to 2,878,718 and 6,156,018 is: 13,164,386.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,718 : 6,156,018 = 6,156,018 : x
  2. Step 2: Convert to fraction form
    2,878,718/6,156,018 = 6,156,018/x
  3. Step 3: Cross multiply
    2,878,718x = 6,156,018 × 6,156,018
  4. Step 4: Simplify right side
    2,878,718x = 37,896,557,616,324
  5. Step 5: Solve for x
    x = 37,896,557,616,324/2,878,718
  6. Step 6: Final answer
    x = 13,164,386.93

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.