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Finding the Third Proportional to 5,301,879 and 8,159,490

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Solution

The third proportional to 5,301,879 and 8,159,490 is: 12,557,298.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,301,879 : 8,159,490 = 8,159,490 : x
  2. Step 2: Convert to fraction form
    5,301,879/8,159,490 = 8,159,490/x
  3. Step 3: Cross multiply
    5,301,879x = 8,159,490 × 8,159,490
  4. Step 4: Simplify right side
    5,301,879x = 66,577,277,060,100
  5. Step 5: Solve for x
    x = 66,577,277,060,100/5,301,879
  6. Step 6: Final answer
    x = 12,557,298.47

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.