Home / 21,079,404.56-31,443,645.66

Finding the Third Proportional to 21,079,404.56 and 31,443,645.66

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Solution

The third proportional to 21,079,404.56 and 31,443,645.66 is: 46,903,737.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,079,404.56 : 31,443,645.66 = 31,443,645.66 : x
  2. Step 2: Convert to fraction form
    21,079,404.56/31,443,645.66 = 31,443,645.66/x
  3. Step 3: Cross multiply
    21,079,404.56x = 31,443,645.66 × 31,443,645.66
  4. Step 4: Simplify right side
    21,079,404.56x = 988,702,852,155,809.50
  5. Step 5: Solve for x
    x = 988,702,852,155,809.50/21,079,404.56
  6. Step 6: Final answer
    x = 46,903,737.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.