Home / 321,499.13-508,639.50

Finding the Third Proportional to 321,499.13 and 508,639.50

Calculator

Solution

The third proportional to 321,499.13 and 508,639.50 is: 804,711.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,499.13 : 508,639.50 = 508,639.50 : x
  2. Step 2: Convert to fraction form
    321,499.13/508,639.50 = 508,639.50/x
  3. Step 3: Cross multiply
    321,499.13x = 508,639.50 × 508,639.50
  4. Step 4: Simplify right side
    321,499.13x = 258,714,140,960.25
  5. Step 5: Solve for x
    x = 258,714,140,960.25/321,499.13
  6. Step 6: Final answer
    x = 804,711.80

Related Problems

Find third proportional to 160,749.56 and 254,319.75
Half scale
Find third proportional to 642,998.25 and 1,017,279
Double scale
Find third proportional to 321,501 and 508,643
Similar ratio
Find third proportional to 482,248.69 and 762,959.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.