Home / 477,648-766,980

Finding the Third Proportional to 477,648 and 766,980

Calculator

Solution

The third proportional to 477,648 and 766,980 is: 1,231,572.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,648 : 766,980 = 766,980 : x
  2. Step 2: Convert to fraction form
    477,648/766,980 = 766,980/x
  3. Step 3: Cross multiply
    477,648x = 766,980 × 766,980
  4. Step 4: Simplify right side
    477,648x = 588,258,320,400
  5. Step 5: Solve for x
    x = 588,258,320,400/477,648
  6. Step 6: Final answer
    x = 1,231,572.87

Related Problems

Find third proportional to 238,824 and 383,490
Half scale
Find third proportional to 955,296 and 1,533,960
Double scale
Find third proportional to 477,650 and 766,983
Similar ratio
Find third proportional to 716,472 and 1,150,470
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.