Home / 666,984-998,640

Finding the Third Proportional to 666,984 and 998,640

Calculator

Solution

The third proportional to 666,984 and 998,640 is: 1,495,211.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,984 : 998,640 = 998,640 : x
  2. Step 2: Convert to fraction form
    666,984/998,640 = 998,640/x
  3. Step 3: Cross multiply
    666,984x = 998,640 × 998,640
  4. Step 4: Simplify right side
    666,984x = 997,281,849,600
  5. Step 5: Solve for x
    x = 997,281,849,600/666,984
  6. Step 6: Final answer
    x = 1,495,211.05

Related Problems

Find third proportional to 333,492 and 499,320
Half scale
Find third proportional to 1,333,968 and 1,997,280
Double scale
Find third proportional to 666,986 and 998,643
Similar ratio
Find third proportional to 1,000,476 and 1,497,960
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.