Home / 375,120-814,320

Finding the Third Proportional to 375,120 and 814,320

Calculator

Solution

The third proportional to 375,120 and 814,320 is: 1,767,746.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,120 : 814,320 = 814,320 : x
  2. Step 2: Convert to fraction form
    375,120/814,320 = 814,320/x
  3. Step 3: Cross multiply
    375,120x = 814,320 × 814,320
  4. Step 4: Simplify right side
    375,120x = 663,117,062,400
  5. Step 5: Solve for x
    x = 663,117,062,400/375,120
  6. Step 6: Final answer
    x = 1,767,746.49

Related Problems

Find third proportional to 187,560 and 407,160
Half scale
Find third proportional to 750,240 and 1,628,640
Double scale
Find third proportional to 375,122 and 814,324
Similar ratio
Find third proportional to 562,680 and 1,221,480
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.