Home / 169,245-261,207

Finding the Third Proportional to 169,245 and 261,207

Calculator

Solution

The third proportional to 169,245 and 261,207 is: 403,138.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,245 : 261,207 = 261,207 : x
  2. Step 2: Convert to fraction form
    169,245/261,207 = 261,207/x
  3. Step 3: Cross multiply
    169,245x = 261,207 × 261,207
  4. Step 4: Simplify right side
    169,245x = 68,229,096,849
  5. Step 5: Solve for x
    x = 68,229,096,849/169,245
  6. Step 6: Final answer
    x = 403,138.04

Related Problems

Find third proportional to 84,622.50 and 130,603.50
Half scale
Find third proportional to 338,490 and 522,414
Double scale
Find third proportional to 169,247 and 261,210
Similar ratio
Find third proportional to 253,867.50 and 391,810.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.