Home / 281,492-620,584

Finding the Third Proportional to 281,492 and 620,584

Calculator

Solution

The third proportional to 281,492 and 620,584 is: 1,368,154.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,492 : 620,584 = 620,584 : x
  2. Step 2: Convert to fraction form
    281,492/620,584 = 620,584/x
  3. Step 3: Cross multiply
    281,492x = 620,584 × 620,584
  4. Step 4: Simplify right side
    281,492x = 385,124,501,056
  5. Step 5: Solve for x
    x = 385,124,501,056/281,492
  6. Step 6: Final answer
    x = 1,368,154.34

Related Problems

Find third proportional to 140,746 and 310,292
Half scale
Find third proportional to 562,984 and 1,241,168
Double scale
Find third proportional to 281,494 and 620,588
Similar ratio
Find third proportional to 422,238 and 930,876
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.