Home / 516,386-782,307

Finding the Third Proportional to 516,386 and 782,307

Calculator

Solution

The third proportional to 516,386 and 782,307 is: 1,185,168.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,386 : 782,307 = 782,307 : x
  2. Step 2: Convert to fraction form
    516,386/782,307 = 782,307/x
  3. Step 3: Cross multiply
    516,386x = 782,307 × 782,307
  4. Step 4: Simplify right side
    516,386x = 612,004,242,249
  5. Step 5: Solve for x
    x = 612,004,242,249/516,386
  6. Step 6: Final answer
    x = 1,185,168.15

Related Problems

Find third proportional to 258,193 and 391,153.50
Half scale
Find third proportional to 1,032,772 and 1,564,614
Double scale
Find third proportional to 516,388 and 782,310
Similar ratio
Find third proportional to 774,579 and 1,173,460.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.