Home / 420,178-566,112

Finding the Third Proportional to 420,178 and 566,112

Calculator

Solution

The third proportional to 420,178 and 566,112 is: 762,731.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,178 : 566,112 = 566,112 : x
  2. Step 2: Convert to fraction form
    420,178/566,112 = 566,112/x
  3. Step 3: Cross multiply
    420,178x = 566,112 × 566,112
  4. Step 4: Simplify right side
    420,178x = 320,482,796,544
  5. Step 5: Solve for x
    x = 320,482,796,544/420,178
  6. Step 6: Final answer
    x = 762,731.02

Related Problems

Find third proportional to 210,089 and 283,056
Half scale
Find third proportional to 840,356 and 1,132,224
Double scale
Find third proportional to 420,180 and 566,115
Similar ratio
Find third proportional to 630,267 and 849,168
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.