Home / 280,204-614,840

Finding the Third Proportional to 280,204 and 614,840

Calculator

Solution

The third proportional to 280,204 and 614,840 is: 1,349,117.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,204 : 614,840 = 614,840 : x
  2. Step 2: Convert to fraction form
    280,204/614,840 = 614,840/x
  3. Step 3: Cross multiply
    280,204x = 614,840 × 614,840
  4. Step 4: Simplify right side
    280,204x = 378,028,225,600
  5. Step 5: Solve for x
    x = 378,028,225,600/280,204
  6. Step 6: Final answer
    x = 1,349,117.88

Related Problems

Find third proportional to 140,102 and 307,420
Half scale
Find third proportional to 560,408 and 1,229,680
Double scale
Find third proportional to 280,206 and 614,844
Similar ratio
Find third proportional to 420,306 and 922,260
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.