Home / 352,206-686,772

Finding the Third Proportional to 352,206 and 686,772

Calculator

Solution

The third proportional to 352,206 and 686,772 is: 1,339,147.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,206 : 686,772 = 686,772 : x
  2. Step 2: Convert to fraction form
    352,206/686,772 = 686,772/x
  3. Step 3: Cross multiply
    352,206x = 686,772 × 686,772
  4. Step 4: Simplify right side
    352,206x = 471,655,779,984
  5. Step 5: Solve for x
    x = 471,655,779,984/352,206
  6. Step 6: Final answer
    x = 1,339,147.49

Related Problems

Find third proportional to 176,103 and 343,386
Half scale
Find third proportional to 704,412 and 1,373,544
Double scale
Find third proportional to 352,208 and 686,776
Similar ratio
Find third proportional to 528,309 and 1,030,158
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.