Home / 530,082-821,691

Finding the Third Proportional to 530,082 and 821,691

Calculator

Solution

The third proportional to 530,082 and 821,691 is: 1,273,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,082 : 821,691 = 821,691 : x
  2. Step 2: Convert to fraction form
    530,082/821,691 = 821,691/x
  3. Step 3: Cross multiply
    530,082x = 821,691 × 821,691
  4. Step 4: Simplify right side
    530,082x = 675,176,099,481
  5. Step 5: Solve for x
    x = 675,176,099,481/530,082
  6. Step 6: Final answer
    x = 1,273,720.10

Related Problems

Find third proportional to 265,041 and 410,845.50
Half scale
Find third proportional to 1,060,164 and 1,643,382
Double scale
Find third proportional to 530,084 and 821,694
Similar ratio
Find third proportional to 795,123 and 1,232,536.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.