Home / 245,890-348,243

Finding the Third Proportional to 245,890 and 348,243

Calculator

Solution

The third proportional to 245,890 and 348,243 is: 493,200.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,890 : 348,243 = 348,243 : x
  2. Step 2: Convert to fraction form
    245,890/348,243 = 348,243/x
  3. Step 3: Cross multiply
    245,890x = 348,243 × 348,243
  4. Step 4: Simplify right side
    245,890x = 121,273,187,049
  5. Step 5: Solve for x
    x = 121,273,187,049/245,890
  6. Step 6: Final answer
    x = 493,200.97

Related Problems

Find third proportional to 122,945 and 174,121.50
Half scale
Find third proportional to 491,780 and 696,486
Double scale
Find third proportional to 245,892 and 348,246
Similar ratio
Find third proportional to 368,835 and 522,364.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.