Home / 630,918-1,387,999.50

Finding the Third Proportional to 630,918 and 1,387,999.50

Calculator

Solution

The third proportional to 630,918 and 1,387,999.50 is: 3,053,554.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,918 : 1,387,999.50 = 1,387,999.50 : x
  2. Step 2: Convert to fraction form
    630,918/1,387,999.50 = 1,387,999.50/x
  3. Step 3: Cross multiply
    630,918x = 1,387,999.50 × 1,387,999.50
  4. Step 4: Simplify right side
    630,918x = 1,926,542,612,000.25
  5. Step 5: Solve for x
    x = 1,926,542,612,000.25/630,918
  6. Step 6: Final answer
    x = 3,053,554.68

Related Problems

Find third proportional to 315,459 and 693,999.75
Half scale
Find third proportional to 1,261,836 and 2,775,999
Double scale
Find third proportional to 630,920 and 1,388,004
Similar ratio
Find third proportional to 946,377 and 2,081,999.25
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.