Home / 561,276-1,240,677

Finding the Third Proportional to 561,276 and 1,240,677

Calculator

Solution

The third proportional to 561,276 and 1,240,677 is: 2,742,464.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,276 : 1,240,677 = 1,240,677 : x
  2. Step 2: Convert to fraction form
    561,276/1,240,677 = 1,240,677/x
  3. Step 3: Cross multiply
    561,276x = 1,240,677 × 1,240,677
  4. Step 4: Simplify right side
    561,276x = 1,539,279,418,329
  5. Step 5: Solve for x
    x = 1,539,279,418,329/561,276
  6. Step 6: Final answer
    x = 2,742,464.35

Related Problems

Find third proportional to 280,638 and 620,338.50
Half scale
Find third proportional to 1,122,552 and 2,481,354
Double scale
Find third proportional to 561,278 and 1,240,681
Similar ratio
Find third proportional to 841,914 and 1,861,015.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.