Home / 18,311,689,890.56-39,272,898,615.19

Finding the Third Proportional to 18,311,689,890.56 and 39,272,898,615.19

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Solution

The third proportional to 18,311,689,890.56 and 39,272,898,615.19 is: 84,228,193,839.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,311,689,890.56 : 39,272,898,615.19 = 39,272,898,615.19 : x
  2. Step 2: Convert to fraction form
    18,311,689,890.56/39,272,898,615.19 = 39,272,898,615.19/x
  3. Step 3: Cross multiply
    18,311,689,890.56x = 39,272,898,615.19 × 39,272,898,615.19
  4. Step 4: Simplify right side
    18,311,689,890.56x = 1,542,360,565,638,835,732,480
  5. Step 5: Solve for x
    x = 1,542,360,565,638,835,732,480/18,311,689,890.56
  6. Step 6: Final answer
    x = 84,228,193,839.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.