Home / 762,612-1,643,421

Finding the Third Proportional to 762,612 and 1,643,421

Calculator

Solution

The third proportional to 762,612 and 1,643,421 is: 3,541,555.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,612 : 1,643,421 = 1,643,421 : x
  2. Step 2: Convert to fraction form
    762,612/1,643,421 = 1,643,421/x
  3. Step 3: Cross multiply
    762,612x = 1,643,421 × 1,643,421
  4. Step 4: Simplify right side
    762,612x = 2,700,832,583,241
  5. Step 5: Solve for x
    x = 2,700,832,583,241/762,612
  6. Step 6: Final answer
    x = 3,541,555.32

Related Problems

Find third proportional to 381,306 and 821,710.50
Half scale
Find third proportional to 1,525,224 and 3,286,842
Double scale
Find third proportional to 762,614 and 1,643,425
Similar ratio
Find third proportional to 1,143,918 and 2,465,131.50
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.