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Finding the Third Proportional to 478,261,190,267 and 1,054,007,242,878

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Solution

The third proportional to 478,261,190,267 and 1,054,007,242,878 is: 2,322,854,730,109.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,261,190,267 : 1,054,007,242,878 = 1,054,007,242,878 : x
  2. Step 2: Convert to fraction form
    478,261,190,267/1,054,007,242,878 = 1,054,007,242,878/x
  3. Step 3: Cross multiply
    478,261,190,267x = 1,054,007,242,878 × 1,054,007,242,878
  4. Step 4: Simplify right side
    478,261,190,267x = 1,110,931,268,039,283,344,146,432
  5. Step 5: Solve for x
    x = 1,110,931,268,039,283,344,146,432/478,261,190,267
  6. Step 6: Final answer
    x = 2,322,854,730,109.05

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.