Home / 326,172-459,320

Finding the Third Proportional to 326,172 and 459,320

Calculator

Solution

The third proportional to 326,172 and 459,320 is: 646,820.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,172 : 459,320 = 459,320 : x
  2. Step 2: Convert to fraction form
    326,172/459,320 = 459,320/x
  3. Step 3: Cross multiply
    326,172x = 459,320 × 459,320
  4. Step 4: Simplify right side
    326,172x = 210,974,862,400
  5. Step 5: Solve for x
    x = 210,974,862,400/326,172
  6. Step 6: Final answer
    x = 646,820.89

Related Problems

Find third proportional to 163,086 and 229,660
Half scale
Find third proportional to 652,344 and 918,640
Double scale
Find third proportional to 326,174 and 459,323
Similar ratio
Find third proportional to 489,258 and 688,980
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.