Home / 218,276-458,568

Finding the Third Proportional to 218,276 and 458,568

Calculator

Solution

The third proportional to 218,276 and 458,568 is: 963,388.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,276 : 458,568 = 458,568 : x
  2. Step 2: Convert to fraction form
    218,276/458,568 = 458,568/x
  3. Step 3: Cross multiply
    218,276x = 458,568 × 458,568
  4. Step 4: Simplify right side
    218,276x = 210,284,610,624
  5. Step 5: Solve for x
    x = 210,284,610,624/218,276
  6. Step 6: Final answer
    x = 963,388.60

Related Problems

Find third proportional to 109,138 and 229,284
Half scale
Find third proportional to 436,552 and 917,136
Double scale
Find third proportional to 218,278 and 458,572
Similar ratio
Find third proportional to 327,414 and 687,852
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.