Home / 57,440-121,698

Finding the Third Proportional to 57,440 and 121,698

Calculator

Solution

The third proportional to 57,440 and 121,698 is: 257,841.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,440 : 121,698 = 121,698 : x
  2. Step 2: Convert to fraction form
    57,440/121,698 = 121,698/x
  3. Step 3: Cross multiply
    57,440x = 121,698 × 121,698
  4. Step 4: Simplify right side
    57,440x = 14,810,403,204
  5. Step 5: Solve for x
    x = 14,810,403,204/57,440
  6. Step 6: Final answer
    x = 257,841.28

Related Problems

Find third proportional to 28,720 and 60,849
Half scale
Find third proportional to 114,880 and 243,396
Double scale
Find third proportional to 57,442 and 121,702
Similar ratio
Find third proportional to 86,160 and 182,547
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.