Home / 235,818-485,460

Finding the Third Proportional to 235,818 and 485,460

Calculator

Solution

The third proportional to 235,818 and 485,460 is: 999,378.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,818 : 485,460 = 485,460 : x
  2. Step 2: Convert to fraction form
    235,818/485,460 = 485,460/x
  3. Step 3: Cross multiply
    235,818x = 485,460 × 485,460
  4. Step 4: Simplify right side
    235,818x = 235,671,411,600
  5. Step 5: Solve for x
    x = 235,671,411,600/235,818
  6. Step 6: Final answer
    x = 999,378.38

Related Problems

Find third proportional to 117,909 and 242,730
Half scale
Find third proportional to 471,636 and 970,920
Double scale
Find third proportional to 235,820 and 485,464
Similar ratio
Find third proportional to 353,727 and 728,190
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.