Home / 345,128-741,486

Finding the Third Proportional to 345,128 and 741,486

Calculator

Solution

The third proportional to 345,128 and 741,486 is: 1,593,036.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,128 : 741,486 = 741,486 : x
  2. Step 2: Convert to fraction form
    345,128/741,486 = 741,486/x
  3. Step 3: Cross multiply
    345,128x = 741,486 × 741,486
  4. Step 4: Simplify right side
    345,128x = 549,801,488,196
  5. Step 5: Solve for x
    x = 549,801,488,196/345,128
  6. Step 6: Final answer
    x = 1,593,036.46

Related Problems

Find third proportional to 172,564 and 370,743
Half scale
Find third proportional to 690,256 and 1,482,972
Double scale
Find third proportional to 345,130 and 741,490
Similar ratio
Find third proportional to 517,692 and 1,112,229
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.