Home / 218,572-347,550

Finding the Third Proportional to 218,572 and 347,550

Calculator

Solution

The third proportional to 218,572 and 347,550 is: 552,637.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,572 : 347,550 = 347,550 : x
  2. Step 2: Convert to fraction form
    218,572/347,550 = 347,550/x
  3. Step 3: Cross multiply
    218,572x = 347,550 × 347,550
  4. Step 4: Simplify right side
    218,572x = 120,791,002,500
  5. Step 5: Solve for x
    x = 120,791,002,500/218,572
  6. Step 6: Final answer
    x = 552,637.13

Related Problems

Find third proportional to 109,286 and 173,775
Half scale
Find third proportional to 437,144 and 695,100
Double scale
Find third proportional to 218,574 and 347,553
Similar ratio
Find third proportional to 327,858 and 521,325
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.