Home / 20,408,192,011-31,686,774,801.50

Finding the Third Proportional to 20,408,192,011 and 31,686,774,801.50

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Solution

The third proportional to 20,408,192,011 and 31,686,774,801.50 is: 49,198,463,870.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,408,192,011 : 31,686,774,801.50 = 31,686,774,801.50 : x
  2. Step 2: Convert to fraction form
    20,408,192,011/31,686,774,801.50 = 31,686,774,801.50/x
  3. Step 3: Cross multiply
    20,408,192,011x = 31,686,774,801.50 × 31,686,774,801.50
  4. Step 4: Simplify right side
    20,408,192,011x = 1,004,051,697,320,975,400,960
  5. Step 5: Solve for x
    x = 1,004,051,697,320,975,400,960/20,408,192,011
  6. Step 6: Final answer
    x = 49,198,463,870.77

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.