Home / 788,315-1,217,408

Finding the Third Proportional to 788,315 and 1,217,408

Calculator

Solution

The third proportional to 788,315 and 1,217,408 is: 1,880,063.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,315 : 1,217,408 = 1,217,408 : x
  2. Step 2: Convert to fraction form
    788,315/1,217,408 = 1,217,408/x
  3. Step 3: Cross multiply
    788,315x = 1,217,408 × 1,217,408
  4. Step 4: Simplify right side
    788,315x = 1,482,082,238,464
  5. Step 5: Solve for x
    x = 1,482,082,238,464/788,315
  6. Step 6: Final answer
    x = 1,880,063.48

Related Problems

Find third proportional to 394,157.50 and 608,704
Half scale
Find third proportional to 1,576,630 and 2,434,816
Double scale
Find third proportional to 788,317 and 1,217,411
Similar ratio
Find third proportional to 1,182,472.50 and 1,826,112
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.