Home / 306,030-656,346

Finding the Third Proportional to 306,030 and 656,346

Calculator

Solution

The third proportional to 306,030 and 656,346 is: 1,407,672.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,030 : 656,346 = 656,346 : x
  2. Step 2: Convert to fraction form
    306,030/656,346 = 656,346/x
  3. Step 3: Cross multiply
    306,030x = 656,346 × 656,346
  4. Step 4: Simplify right side
    306,030x = 430,790,071,716
  5. Step 5: Solve for x
    x = 430,790,071,716/306,030
  6. Step 6: Final answer
    x = 1,407,672.68

Related Problems

Find third proportional to 153,015 and 328,173
Half scale
Find third proportional to 612,060 and 1,312,692
Double scale
Find third proportional to 306,032 and 656,350
Similar ratio
Find third proportional to 459,045 and 984,519
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.