Home / 127,521-280,206

Finding the Third Proportional to 127,521 and 280,206

Calculator

Solution

The third proportional to 127,521 and 280,206 is: 615,705.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,521 : 280,206 = 280,206 : x
  2. Step 2: Convert to fraction form
    127,521/280,206 = 280,206/x
  3. Step 3: Cross multiply
    127,521x = 280,206 × 280,206
  4. Step 4: Simplify right side
    127,521x = 78,515,402,436
  5. Step 5: Solve for x
    x = 78,515,402,436/127,521
  6. Step 6: Final answer
    x = 615,705.67

Related Problems

Find third proportional to 63,760.50 and 140,103
Half scale
Find third proportional to 255,042 and 560,412
Double scale
Find third proportional to 127,523 and 280,210
Similar ratio
Find third proportional to 191,281.50 and 420,309
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.