Home / 18,015,569,939.75-38,742,421,205.25

Finding the Third Proportional to 18,015,569,939.75 and 38,742,421,205.25

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Solution

The third proportional to 18,015,569,939.75 and 38,742,421,205.25 is: 83,315,443,578.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015,569,939.75 : 38,742,421,205.25 = 38,742,421,205.25 : x
  2. Step 2: Convert to fraction form
    18,015,569,939.75/38,742,421,205.25 = 38,742,421,205.25/x
  3. Step 3: Cross multiply
    18,015,569,939.75x = 38,742,421,205.25 × 38,742,421,205.25
  4. Step 4: Simplify right side
    18,015,569,939.75x = 1,500,975,200,845,004,800,000
  5. Step 5: Solve for x
    x = 1,500,975,200,845,004,800,000/18,015,569,939.75
  6. Step 6: Final answer
    x = 83,315,443,578.24

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.