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Finding the Third Proportional to 3,155,655 and 6,911,994

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Solution

The third proportional to 3,155,655 and 6,911,994 is: 15,139,697.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155,655 : 6,911,994 = 6,911,994 : x
  2. Step 2: Convert to fraction form
    3,155,655/6,911,994 = 6,911,994/x
  3. Step 3: Cross multiply
    3,155,655x = 6,911,994 × 6,911,994
  4. Step 4: Simplify right side
    3,155,655x = 47,775,661,056,036
  5. Step 5: Solve for x
    x = 47,775,661,056,036/3,155,655
  6. Step 6: Final answer
    x = 15,139,697.16

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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.