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Finding the Third Proportional to 6,875,642 and 14,570,878

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Solution

The third proportional to 6,875,642 and 14,570,878 is: 30,878,641.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875,642 : 14,570,878 = 14,570,878 : x
  2. Step 2: Convert to fraction form
    6,875,642/14,570,878 = 14,570,878/x
  3. Step 3: Cross multiply
    6,875,642x = 14,570,878 × 14,570,878
  4. Step 4: Simplify right side
    6,875,642x = 212,310,485,690,884
  5. Step 5: Solve for x
    x = 212,310,485,690,884/6,875,642
  6. Step 6: Final answer
    x = 30,878,641.69

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.