Home / 170,290-358,222

Finding the Third Proportional to 170,290 and 358,222

Calculator

Solution

The third proportional to 170,290 and 358,222 is: 753,555.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,290 : 358,222 = 358,222 : x
  2. Step 2: Convert to fraction form
    170,290/358,222 = 358,222/x
  3. Step 3: Cross multiply
    170,290x = 358,222 × 358,222
  4. Step 4: Simplify right side
    170,290x = 128,323,001,284
  5. Step 5: Solve for x
    x = 128,323,001,284/170,290
  6. Step 6: Final answer
    x = 753,555.71

Related Problems

Find third proportional to 85,145 and 179,111
Half scale
Find third proportional to 340,580 and 716,444
Double scale
Find third proportional to 170,292 and 358,226
Similar ratio
Find third proportional to 255,435 and 537,333
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.