Home / 20,123,959.75-31,381,681.88

Finding the Third Proportional to 20,123,959.75 and 31,381,681.88

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Solution

The third proportional to 20,123,959.75 and 31,381,681.88 is: 48,937,185.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,123,959.75 : 31,381,681.88 = 31,381,681.88 : x
  2. Step 2: Convert to fraction form
    20,123,959.75/31,381,681.88 = 31,381,681.88/x
  3. Step 3: Cross multiply
    20,123,959.75x = 31,381,681.88 × 31,381,681.88
  4. Step 4: Simplify right side
    20,123,959.75x = 984,809,957,303,703.50
  5. Step 5: Solve for x
    x = 984,809,957,303,703.50/20,123,959.75
  6. Step 6: Final answer
    x = 48,937,185.80

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.