Home / 308,160-662,160

Finding the Third Proportional to 308,160 and 662,160

Calculator

Solution

The third proportional to 308,160 and 662,160 is: 1,422,818.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,160 : 662,160 = 662,160 : x
  2. Step 2: Convert to fraction form
    308,160/662,160 = 662,160/x
  3. Step 3: Cross multiply
    308,160x = 662,160 × 662,160
  4. Step 4: Simplify right side
    308,160x = 438,455,865,600
  5. Step 5: Solve for x
    x = 438,455,865,600/308,160
  6. Step 6: Final answer
    x = 1,422,818.88

Related Problems

Find third proportional to 154,080 and 331,080
Half scale
Find third proportional to 616,320 and 1,324,320
Double scale
Find third proportional to 308,162 and 662,164
Similar ratio
Find third proportional to 462,240 and 993,240
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.