Home / 305,613-415,047

Finding the Third Proportional to 305,613 and 415,047

Calculator

Solution

The third proportional to 305,613 and 415,047 is: 563,667.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,613 : 415,047 = 415,047 : x
  2. Step 2: Convert to fraction form
    305,613/415,047 = 415,047/x
  3. Step 3: Cross multiply
    305,613x = 415,047 × 415,047
  4. Step 4: Simplify right side
    305,613x = 172,264,012,209
  5. Step 5: Solve for x
    x = 172,264,012,209/305,613
  6. Step 6: Final answer
    x = 563,667.16

Related Problems

Find third proportional to 152,806.50 and 207,523.50
Half scale
Find third proportional to 611,226 and 830,094
Double scale
Find third proportional to 305,615 and 415,050
Similar ratio
Find third proportional to 458,419.50 and 622,570.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.