Home / 507,374-780,135

Finding the Third Proportional to 507,374 and 780,135

Calculator

Solution

The third proportional to 507,374 and 780,135 is: 1,199,530.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,374 : 780,135 = 780,135 : x
  2. Step 2: Convert to fraction form
    507,374/780,135 = 780,135/x
  3. Step 3: Cross multiply
    507,374x = 780,135 × 780,135
  4. Step 4: Simplify right side
    507,374x = 608,610,618,225
  5. Step 5: Solve for x
    x = 608,610,618,225/507,374
  6. Step 6: Final answer
    x = 1,199,530.56

Related Problems

Find third proportional to 253,687 and 390,067.50
Half scale
Find third proportional to 1,014,748 and 1,560,270
Double scale
Find third proportional to 507,376 and 780,138
Similar ratio
Find third proportional to 761,061 and 1,170,202.50
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.