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Finding the Third Proportional to 55,525,994,880 and 84,590,012,378

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Solution

The third proportional to 55,525,994,880 and 84,590,012,378 is: 128,867,032,631.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,525,994,880 : 84,590,012,378 = 84,590,012,378 : x
  2. Step 2: Convert to fraction form
    55,525,994,880/84,590,012,378 = 84,590,012,378/x
  3. Step 3: Cross multiply
    55,525,994,880x = 84,590,012,378 × 84,590,012,378
  4. Step 4: Simplify right side
    55,525,994,880x = 7,155,470,194,110,193,729,536
  5. Step 5: Solve for x
    x = 7,155,470,194,110,193,729,536/55,525,994,880
  6. Step 6: Final answer
    x = 128,867,032,631.73

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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.