Home / 367,460-787,408

Finding the Third Proportional to 367,460 and 787,408

Calculator

Solution

The third proportional to 367,460 and 787,408 is: 1,687,289.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,460 : 787,408 = 787,408 : x
  2. Step 2: Convert to fraction form
    367,460/787,408 = 787,408/x
  3. Step 3: Cross multiply
    367,460x = 787,408 × 787,408
  4. Step 4: Simplify right side
    367,460x = 620,011,358,464
  5. Step 5: Solve for x
    x = 620,011,358,464/367,460
  6. Step 6: Final answer
    x = 1,687,289.39

Related Problems

Find third proportional to 183,730 and 393,704
Half scale
Find third proportional to 734,920 and 1,574,816
Double scale
Find third proportional to 367,462 and 787,412
Similar ratio
Find third proportional to 551,190 and 1,181,112
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.