Home / 762,421-1,121,455.50

Finding the Third Proportional to 762,421 and 1,121,455.50

Calculator

Solution

The third proportional to 762,421 and 1,121,455.50 is: 1,649,564.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,421 : 1,121,455.50 = 1,121,455.50 : x
  2. Step 2: Convert to fraction form
    762,421/1,121,455.50 = 1,121,455.50/x
  3. Step 3: Cross multiply
    762,421x = 1,121,455.50 × 1,121,455.50
  4. Step 4: Simplify right side
    762,421x = 1,257,662,438,480.25
  5. Step 5: Solve for x
    x = 1,257,662,438,480.25/762,421
  6. Step 6: Final answer
    x = 1,649,564.27

Related Problems

Find third proportional to 381,210.50 and 560,727.75
Half scale
Find third proportional to 1,524,842 and 2,242,911
Double scale
Find third proportional to 762,423 and 1,121,458
Similar ratio
Find third proportional to 1,143,631.50 and 1,682,183.25
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.