Home / 163,620-358,470

Finding the Third Proportional to 163,620 and 358,470

Calculator

Solution

The third proportional to 163,620 and 358,470 is: 785,360.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,620 : 358,470 = 358,470 : x
  2. Step 2: Convert to fraction form
    163,620/358,470 = 358,470/x
  3. Step 3: Cross multiply
    163,620x = 358,470 × 358,470
  4. Step 4: Simplify right side
    163,620x = 128,500,740,900
  5. Step 5: Solve for x
    x = 128,500,740,900/163,620
  6. Step 6: Final answer
    x = 785,360.84

Related Problems

Find third proportional to 81,810 and 179,235
Half scale
Find third proportional to 327,240 and 716,940
Double scale
Find third proportional to 163,622 and 358,474
Similar ratio
Find third proportional to 245,430 and 537,705
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.