Home / 286,552-615,390

Finding the Third Proportional to 286,552 and 615,390

Calculator

Solution

The third proportional to 286,552 and 615,390 is: 1,321,592.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,552 : 615,390 = 615,390 : x
  2. Step 2: Convert to fraction form
    286,552/615,390 = 615,390/x
  3. Step 3: Cross multiply
    286,552x = 615,390 × 615,390
  4. Step 4: Simplify right side
    286,552x = 378,704,852,100
  5. Step 5: Solve for x
    x = 378,704,852,100/286,552
  6. Step 6: Final answer
    x = 1,321,592.07

Related Problems

Find third proportional to 143,276 and 307,695
Half scale
Find third proportional to 573,104 and 1,230,780
Double scale
Find third proportional to 286,554 and 615,394
Similar ratio
Find third proportional to 429,828 and 923,085
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.