Home / 240,169-343,243

Finding the Third Proportional to 240,169 and 343,243

Calculator

Solution

The third proportional to 240,169 and 343,243 is: 490,553.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,169 : 343,243 = 343,243 : x
  2. Step 2: Convert to fraction form
    240,169/343,243 = 343,243/x
  3. Step 3: Cross multiply
    240,169x = 343,243 × 343,243
  4. Step 4: Simplify right side
    240,169x = 117,815,757,049
  5. Step 5: Solve for x
    x = 117,815,757,049/240,169
  6. Step 6: Final answer
    x = 490,553.56

Related Problems

Find third proportional to 120,084.50 and 171,621.50
Half scale
Find third proportional to 480,338 and 686,486
Double scale
Find third proportional to 240,171 and 343,246
Similar ratio
Find third proportional to 360,253.50 and 514,864.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.