Home / 429,198-679,464

Finding the Third Proportional to 429,198 and 679,464

Calculator

Solution

The third proportional to 429,198 and 679,464 is: 1,075,660.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,198 : 679,464 = 679,464 : x
  2. Step 2: Convert to fraction form
    429,198/679,464 = 679,464/x
  3. Step 3: Cross multiply
    429,198x = 679,464 × 679,464
  4. Step 4: Simplify right side
    429,198x = 461,671,327,296
  5. Step 5: Solve for x
    x = 461,671,327,296/429,198
  6. Step 6: Final answer
    x = 1,075,660.48

Related Problems

Find third proportional to 214,599 and 339,732
Half scale
Find third proportional to 858,396 and 1,358,928
Double scale
Find third proportional to 429,200 and 679,467
Similar ratio
Find third proportional to 643,797 and 1,019,196
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.