Home / 283,492-438,633

Finding the Third Proportional to 283,492 and 438,633

Calculator

Solution

The third proportional to 283,492 and 438,633 is: 678,674.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,492 : 438,633 = 438,633 : x
  2. Step 2: Convert to fraction form
    283,492/438,633 = 438,633/x
  3. Step 3: Cross multiply
    283,492x = 438,633 × 438,633
  4. Step 4: Simplify right side
    283,492x = 192,398,908,689
  5. Step 5: Solve for x
    x = 192,398,908,689/283,492
  6. Step 6: Final answer
    x = 678,674.91

Related Problems

Find third proportional to 141,746 and 219,316.50
Half scale
Find third proportional to 566,984 and 877,266
Double scale
Find third proportional to 283,494 and 438,636
Similar ratio
Find third proportional to 425,238 and 657,949.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.