Home / 121,637-193,698

Finding the Third Proportional to 121,637 and 193,698

Calculator

Solution

The third proportional to 121,637 and 193,698 is: 308,449.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,637 : 193,698 = 193,698 : x
  2. Step 2: Convert to fraction form
    121,637/193,698 = 193,698/x
  3. Step 3: Cross multiply
    121,637x = 193,698 × 193,698
  4. Step 4: Simplify right side
    121,637x = 37,518,915,204
  5. Step 5: Solve for x
    x = 37,518,915,204/121,637
  6. Step 6: Final answer
    x = 308,449.86

Related Problems

Find third proportional to 60,818.50 and 96,849
Half scale
Find third proportional to 243,274 and 387,396
Double scale
Find third proportional to 121,639 and 193,701
Similar ratio
Find third proportional to 182,455.50 and 290,547
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.