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Finding the Third Proportional to 4,859,878 and 7,723,859

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Solution

The third proportional to 4,859,878 and 7,723,859 is: 12,275,616.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,859,878 : 7,723,859 = 7,723,859 : x
  2. Step 2: Convert to fraction form
    4,859,878/7,723,859 = 7,723,859/x
  3. Step 3: Cross multiply
    4,859,878x = 7,723,859 × 7,723,859
  4. Step 4: Simplify right side
    4,859,878x = 59,657,997,851,881
  5. Step 5: Solve for x
    x = 59,657,997,851,881/4,859,878
  6. Step 6: Final answer
    x = 12,275,616.35

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.