Home / 242,280-565,920

Finding the Third Proportional to 242,280 and 565,920

Calculator

Solution

The third proportional to 242,280 and 565,920 is: 1,321,881.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,280 : 565,920 = 565,920 : x
  2. Step 2: Convert to fraction form
    242,280/565,920 = 565,920/x
  3. Step 3: Cross multiply
    242,280x = 565,920 × 565,920
  4. Step 4: Simplify right side
    242,280x = 320,265,446,400
  5. Step 5: Solve for x
    x = 320,265,446,400/242,280
  6. Step 6: Final answer
    x = 1,321,881.49

Related Problems

Find third proportional to 121,140 and 282,960
Half scale
Find third proportional to 484,560 and 1,131,840
Double scale
Find third proportional to 242,282 and 565,925
Similar ratio
Find third proportional to 363,420 and 848,880
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.