Home / 131,706-318,330

Finding the Third Proportional to 131,706 and 318,330

Calculator

Solution

The third proportional to 131,706 and 318,330 is: 769,395.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,706 : 318,330 = 318,330 : x
  2. Step 2: Convert to fraction form
    131,706/318,330 = 318,330/x
  3. Step 3: Cross multiply
    131,706x = 318,330 × 318,330
  4. Step 4: Simplify right side
    131,706x = 101,333,988,900
  5. Step 5: Solve for x
    x = 101,333,988,900/131,706
  6. Step 6: Final answer
    x = 769,395.39

Related Problems

Find third proportional to 65,853 and 159,165
Half scale
Find third proportional to 263,412 and 636,660
Double scale
Find third proportional to 131,708 and 318,335
Similar ratio
Find third proportional to 197,559 and 477,495
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.