Home / 229,988-316,698

Finding the Third Proportional to 229,988 and 316,698

Calculator

Solution

The third proportional to 229,988 and 316,698 is: 436,099.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,988 : 316,698 = 316,698 : x
  2. Step 2: Convert to fraction form
    229,988/316,698 = 316,698/x
  3. Step 3: Cross multiply
    229,988x = 316,698 × 316,698
  4. Step 4: Simplify right side
    229,988x = 100,297,623,204
  5. Step 5: Solve for x
    x = 100,297,623,204/229,988
  6. Step 6: Final answer
    x = 436,099.38

Related Problems

Find third proportional to 114,994 and 158,349
Half scale
Find third proportional to 459,976 and 633,396
Double scale
Find third proportional to 229,990 and 316,701
Similar ratio
Find third proportional to 344,982 and 475,047
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.