Home / 215,140-472,741

Finding the Third Proportional to 215,140 and 472,741

Calculator

Solution

The third proportional to 215,140 and 472,741 is: 1,038,784.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,140 : 472,741 = 472,741 : x
  2. Step 2: Convert to fraction form
    215,140/472,741 = 472,741/x
  3. Step 3: Cross multiply
    215,140x = 472,741 × 472,741
  4. Step 4: Simplify right side
    215,140x = 223,484,053,081
  5. Step 5: Solve for x
    x = 223,484,053,081/215,140
  6. Step 6: Final answer
    x = 1,038,784.29

Related Problems

Find third proportional to 107,570 and 236,370.50
Half scale
Find third proportional to 430,280 and 945,482
Double scale
Find third proportional to 215,142 and 472,745
Similar ratio
Find third proportional to 322,710 and 709,111.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.