Home / 486,648-717,336

Finding the Third Proportional to 486,648 and 717,336

Calculator

Solution

The third proportional to 486,648 and 717,336 is: 1,057,378.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,648 : 717,336 = 717,336 : x
  2. Step 2: Convert to fraction form
    486,648/717,336 = 717,336/x
  3. Step 3: Cross multiply
    486,648x = 717,336 × 717,336
  4. Step 4: Simplify right side
    486,648x = 514,570,936,896
  5. Step 5: Solve for x
    x = 514,570,936,896/486,648
  6. Step 6: Final answer
    x = 1,057,378.10

Related Problems

Find third proportional to 243,324 and 358,668
Half scale
Find third proportional to 973,296 and 1,434,672
Double scale
Find third proportional to 486,650 and 717,339
Similar ratio
Find third proportional to 729,972 and 1,076,004
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.