Home / 283,689-612,209

Finding the Third Proportional to 283,689 and 612,209

Calculator

Solution

The third proportional to 283,689 and 612,209 is: 1,321,164.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,689 : 612,209 = 612,209 : x
  2. Step 2: Convert to fraction form
    283,689/612,209 = 612,209/x
  3. Step 3: Cross multiply
    283,689x = 612,209 × 612,209
  4. Step 4: Simplify right side
    283,689x = 374,799,859,681
  5. Step 5: Solve for x
    x = 374,799,859,681/283,689
  6. Step 6: Final answer
    x = 1,321,164.58

Related Problems

Find third proportional to 141,844.50 and 306,104.50
Half scale
Find third proportional to 567,378 and 1,224,418
Double scale
Find third proportional to 283,691 and 612,213
Similar ratio
Find third proportional to 425,533.50 and 918,313.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.