Home / 213,212-458,688

Finding the Third Proportional to 213,212 and 458,688

Calculator

Solution

The third proportional to 213,212 and 458,688 is: 986,786.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,212 : 458,688 = 458,688 : x
  2. Step 2: Convert to fraction form
    213,212/458,688 = 458,688/x
  3. Step 3: Cross multiply
    213,212x = 458,688 × 458,688
  4. Step 4: Simplify right side
    213,212x = 210,394,681,344
  5. Step 5: Solve for x
    x = 210,394,681,344/213,212
  6. Step 6: Final answer
    x = 986,786.30

Related Problems

Find third proportional to 106,606 and 229,344
Half scale
Find third proportional to 426,424 and 917,376
Double scale
Find third proportional to 213,214 and 458,692
Similar ratio
Find third proportional to 319,818 and 688,032
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.