Home / 198,747-298,282.50

Finding the Third Proportional to 198,747 and 298,282.50

Calculator

Solution

The third proportional to 198,747 and 298,282.50 is: 447,666.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,747 : 298,282.50 = 298,282.50 : x
  2. Step 2: Convert to fraction form
    198,747/298,282.50 = 298,282.50/x
  3. Step 3: Cross multiply
    198,747x = 298,282.50 × 298,282.50
  4. Step 4: Simplify right side
    198,747x = 88,972,449,806.25
  5. Step 5: Solve for x
    x = 88,972,449,806.25/198,747
  6. Step 6: Final answer
    x = 447,666.88

Related Problems

Find third proportional to 99,373.50 and 149,141.25
Half scale
Find third proportional to 397,494 and 596,565
Double scale
Find third proportional to 198,749 and 298,286
Similar ratio
Find third proportional to 298,120.50 and 447,423.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.