Home / 386,184-807,660

Finding the Third Proportional to 386,184 and 807,660

Calculator

Solution

The third proportional to 386,184 and 807,660 is: 1,689,129.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,184 : 807,660 = 807,660 : x
  2. Step 2: Convert to fraction form
    386,184/807,660 = 807,660/x
  3. Step 3: Cross multiply
    386,184x = 807,660 × 807,660
  4. Step 4: Simplify right side
    386,184x = 652,314,675,600
  5. Step 5: Solve for x
    x = 652,314,675,600/386,184
  6. Step 6: Final answer
    x = 1,689,129.21

Related Problems

Find third proportional to 193,092 and 403,830
Half scale
Find third proportional to 772,368 and 1,615,320
Double scale
Find third proportional to 386,186 and 807,664
Similar ratio
Find third proportional to 579,276 and 1,211,490
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.