Home / 738.97-990.98

Finding the Third Proportional to 738.97 and 990.98

Calculator

Solution

The third proportional to 738.97 and 990.98 is: 1,328.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    738.97 : 990.98 = 990.98 : x
  2. Step 2: Convert to fraction form
    738.97/990.98 = 990.98/x
  3. Step 3: Cross multiply
    738.97x = 990.98 × 990.98
  4. Step 4: Simplify right side
    738.97x = 982,050.03
  5. Step 5: Solve for x
    x = 982,050.03/738.97
  6. Step 6: Final answer
    x = 1,328.95

Related Problems

Find third proportional to 369.48 and 495.49
Half scale
Find third proportional to 1,477.93 and 1,981.97
Double scale
Find third proportional to 741 and 994
Similar ratio
Find third proportional to 1,108.45 and 1,486.48
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.