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Finding the Third Proportional to 55,525,994,876 and 84,590,012,372

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Solution

The third proportional to 55,525,994,876 and 84,590,012,372 is: 128,867,032,622.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,525,994,876 : 84,590,012,372 = 84,590,012,372 : x
  2. Step 2: Convert to fraction form
    55,525,994,876/84,590,012,372 = 84,590,012,372/x
  3. Step 3: Cross multiply
    55,525,994,876x = 84,590,012,372 × 84,590,012,372
  4. Step 4: Simplify right side
    55,525,994,876x = 7,155,470,193,095,113,441,280
  5. Step 5: Solve for x
    x = 7,155,470,193,095,113,441,280/55,525,994,876
  6. Step 6: Final answer
    x = 128,867,032,622.73

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.