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Finding the Third Proportional to 5,918,658,857 and 12,879,240,095

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Solution

The third proportional to 5,918,658,857 and 12,879,240,095 is: 28,025,745,262.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918,658,857 : 12,879,240,095 = 12,879,240,095 : x
  2. Step 2: Convert to fraction form
    5,918,658,857/12,879,240,095 = 12,879,240,095/x
  3. Step 3: Cross multiply
    5,918,658,857x = 12,879,240,095 × 12,879,240,095
  4. Step 4: Simplify right side
    5,918,658,857x = 165,874,825,424,655,613,952
  5. Step 5: Solve for x
    x = 165,874,825,424,655,613,952/5,918,658,857
  6. Step 6: Final answer
    x = 28,025,745,262.96

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.