Home / 387,036-586,386

Finding the Third Proportional to 387,036 and 586,386

Calculator

Solution

The third proportional to 387,036 and 586,386 is: 888,414.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,036 : 586,386 = 586,386 : x
  2. Step 2: Convert to fraction form
    387,036/586,386 = 586,386/x
  3. Step 3: Cross multiply
    387,036x = 586,386 × 586,386
  4. Step 4: Simplify right side
    387,036x = 343,848,540,996
  5. Step 5: Solve for x
    x = 343,848,540,996/387,036
  6. Step 6: Final answer
    x = 888,414.88

Related Problems

Find third proportional to 193,518 and 293,193
Half scale
Find third proportional to 774,072 and 1,172,772
Double scale
Find third proportional to 387,038 and 586,389
Similar ratio
Find third proportional to 580,554 and 879,579
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.