Home / 445,440-682,272

Finding the Third Proportional to 445,440 and 682,272

Calculator

Solution

The third proportional to 445,440 and 682,272 is: 1,045,023.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,440 : 682,272 = 682,272 : x
  2. Step 2: Convert to fraction form
    445,440/682,272 = 682,272/x
  3. Step 3: Cross multiply
    445,440x = 682,272 × 682,272
  4. Step 4: Simplify right side
    445,440x = 465,495,081,984
  5. Step 5: Solve for x
    x = 465,495,081,984/445,440
  6. Step 6: Final answer
    x = 1,045,023.08

Related Problems

Find third proportional to 222,720 and 341,136
Half scale
Find third proportional to 890,880 and 1,364,544
Double scale
Find third proportional to 445,442 and 682,275
Similar ratio
Find third proportional to 668,160 and 1,023,408
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.