Home / 530,738-780,447

Finding the Third Proportional to 530,738 and 780,447

Calculator

Solution

The third proportional to 530,738 and 780,447 is: 1,147,642.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,738 : 780,447 = 780,447 : x
  2. Step 2: Convert to fraction form
    530,738/780,447 = 780,447/x
  3. Step 3: Cross multiply
    530,738x = 780,447 × 780,447
  4. Step 4: Simplify right side
    530,738x = 609,097,519,809
  5. Step 5: Solve for x
    x = 609,097,519,809/530,738
  6. Step 6: Final answer
    x = 1,147,642.57

Related Problems

Find third proportional to 265,369 and 390,223.50
Half scale
Find third proportional to 1,061,476 and 1,560,894
Double scale
Find third proportional to 530,740 and 780,450
Similar ratio
Find third proportional to 796,107 and 1,170,670.50
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.