Home / 272,630-558,859

Finding the Third Proportional to 272,630 and 558,859

Calculator

Solution

The third proportional to 272,630 and 558,859 is: 1,145,594.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,630 : 558,859 = 558,859 : x
  2. Step 2: Convert to fraction form
    272,630/558,859 = 558,859/x
  3. Step 3: Cross multiply
    272,630x = 558,859 × 558,859
  4. Step 4: Simplify right side
    272,630x = 312,323,381,881
  5. Step 5: Solve for x
    x = 312,323,381,881/272,630
  6. Step 6: Final answer
    x = 1,145,594.33

Related Problems

Find third proportional to 136,315 and 279,429.50
Half scale
Find third proportional to 545,260 and 1,117,718
Double scale
Find third proportional to 272,632 and 558,863
Similar ratio
Find third proportional to 408,945 and 838,288.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.