Home / 302,606-455,215

Finding the Third Proportional to 302,606 and 455,215

Calculator

Solution

The third proportional to 302,606 and 455,215 is: 684,787.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,606 : 455,215 = 455,215 : x
  2. Step 2: Convert to fraction form
    302,606/455,215 = 455,215/x
  3. Step 3: Cross multiply
    302,606x = 455,215 × 455,215
  4. Step 4: Simplify right side
    302,606x = 207,220,696,225
  5. Step 5: Solve for x
    x = 207,220,696,225/302,606
  6. Step 6: Final answer
    x = 684,787.14

Related Problems

Find third proportional to 151,303 and 227,607.50
Half scale
Find third proportional to 605,212 and 910,430
Double scale
Find third proportional to 302,608 and 455,218
Similar ratio
Find third proportional to 453,909 and 682,822.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.