Home / 21,895,215.75-31,539,370.50

Finding the Third Proportional to 21,895,215.75 and 31,539,370.50

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Solution

The third proportional to 21,895,215.75 and 31,539,370.50 is: 45,431,472.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,895,215.75 : 31,539,370.50 = 31,539,370.50 : x
  2. Step 2: Convert to fraction form
    21,895,215.75/31,539,370.50 = 31,539,370.50/x
  3. Step 3: Cross multiply
    21,895,215.75x = 31,539,370.50 × 31,539,370.50
  4. Step 4: Simplify right side
    21,895,215.75x = 994,731,891,536,270.25
  5. Step 5: Solve for x
    x = 994,731,891,536,270.25/21,895,215.75
  6. Step 6: Final answer
    x = 45,431,472.47

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.