Home / 286,553-615,392

Finding the Third Proportional to 286,553 and 615,392

Calculator

Solution

The third proportional to 286,553 and 615,392 is: 1,321,596.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,553 : 615,392 = 615,392 : x
  2. Step 2: Convert to fraction form
    286,553/615,392 = 615,392/x
  3. Step 3: Cross multiply
    286,553x = 615,392 × 615,392
  4. Step 4: Simplify right side
    286,553x = 378,707,313,664
  5. Step 5: Solve for x
    x = 378,707,313,664/286,553
  6. Step 6: Final answer
    x = 1,321,596.05

Related Problems

Find third proportional to 143,276.50 and 307,696
Half scale
Find third proportional to 573,106 and 1,230,784
Double scale
Find third proportional to 286,555 and 615,396
Similar ratio
Find third proportional to 429,829.50 and 923,088
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.