Home / 306,028-459,042

Finding the Third Proportional to 306,028 and 459,042

Calculator

Solution

The third proportional to 306,028 and 459,042 is: 688,563

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,028 : 459,042 = 459,042 : x
  2. Step 2: Convert to fraction form
    306,028/459,042 = 459,042/x
  3. Step 3: Cross multiply
    306,028x = 459,042 × 459,042
  4. Step 4: Simplify right side
    306,028x = 210,719,557,764
  5. Step 5: Solve for x
    x = 210,719,557,764/306,028
  6. Step 6: Final answer
    x = 688,563

Related Problems

Find third proportional to 153,014 and 229,521
Half scale
Find third proportional to 612,056 and 918,084
Double scale
Find third proportional to 306,030 and 459,045
Similar ratio
Find third proportional to 459,042 and 688,563
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.