Home / 219,608-458,280

Finding the Third Proportional to 219,608 and 458,280

Calculator

Solution

The third proportional to 219,608 and 458,280 is: 956,342.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,608 : 458,280 = 458,280 : x
  2. Step 2: Convert to fraction form
    219,608/458,280 = 458,280/x
  3. Step 3: Cross multiply
    219,608x = 458,280 × 458,280
  4. Step 4: Simplify right side
    219,608x = 210,020,558,400
  5. Step 5: Solve for x
    x = 210,020,558,400/219,608
  6. Step 6: Final answer
    x = 956,342.93

Related Problems

Find third proportional to 109,804 and 229,140
Half scale
Find third proportional to 439,216 and 916,560
Double scale
Find third proportional to 219,610 and 458,284
Similar ratio
Find third proportional to 329,412 and 687,420
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.