Home / 507,420-1,115,280

Finding the Third Proportional to 507,420 and 1,115,280

Calculator

Solution

The third proportional to 507,420 and 1,115,280 is: 2,451,321.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,420 : 1,115,280 = 1,115,280 : x
  2. Step 2: Convert to fraction form
    507,420/1,115,280 = 1,115,280/x
  3. Step 3: Cross multiply
    507,420x = 1,115,280 × 1,115,280
  4. Step 4: Simplify right side
    507,420x = 1,243,849,478,400
  5. Step 5: Solve for x
    x = 1,243,849,478,400/507,420
  6. Step 6: Final answer
    x = 2,451,321.35

Related Problems

Find third proportional to 253,710 and 557,640
Half scale
Find third proportional to 1,014,840 and 2,230,560
Double scale
Find third proportional to 507,422 and 1,115,284
Similar ratio
Find third proportional to 761,130 and 1,672,920
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.