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Finding the Third Proportional to 1,778,716,988 and 3,863,630,092

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Solution

The third proportional to 1,778,716,988 and 3,863,630,092 is: 8,392,362,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,716,988 : 3,863,630,092 = 3,863,630,092 : x
  2. Step 2: Convert to fraction form
    1,778,716,988/3,863,630,092 = 3,863,630,092/x
  3. Step 3: Cross multiply
    1,778,716,988x = 3,863,630,092 × 3,863,630,092
  4. Step 4: Simplify right side
    1,778,716,988x = 14,927,637,487,807,928,320
  5. Step 5: Solve for x
    x = 14,927,637,487,807,928,320/1,778,716,988
  6. Step 6: Final answer
    x = 8,392,362,353.60

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.