Home / 415,768-669,588

Finding the Third Proportional to 415,768 and 669,588

Calculator

Solution

The third proportional to 415,768 and 669,588 is: 1,078,361.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,768 : 669,588 = 669,588 : x
  2. Step 2: Convert to fraction form
    415,768/669,588 = 669,588/x
  3. Step 3: Cross multiply
    415,768x = 669,588 × 669,588
  4. Step 4: Simplify right side
    415,768x = 448,348,089,744
  5. Step 5: Solve for x
    x = 448,348,089,744/415,768
  6. Step 6: Final answer
    x = 1,078,361.22

Related Problems

Find third proportional to 207,884 and 334,794
Half scale
Find third proportional to 831,536 and 1,339,176
Double scale
Find third proportional to 415,770 and 669,591
Similar ratio
Find third proportional to 623,652 and 1,004,382
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.