Home / 299,484-648,763

Finding the Third Proportional to 299,484 and 648,763

Calculator

Solution

The third proportional to 299,484 and 648,763 is: 1,405,395.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,484 : 648,763 = 648,763 : x
  2. Step 2: Convert to fraction form
    299,484/648,763 = 648,763/x
  3. Step 3: Cross multiply
    299,484x = 648,763 × 648,763
  4. Step 4: Simplify right side
    299,484x = 420,893,430,169
  5. Step 5: Solve for x
    x = 420,893,430,169/299,484
  6. Step 6: Final answer
    x = 1,405,395.38

Related Problems

Find third proportional to 149,742 and 324,381.50
Half scale
Find third proportional to 598,968 and 1,297,526
Double scale
Find third proportional to 299,486 and 648,767
Similar ratio
Find third proportional to 449,226 and 973,144.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.