Home / 658,982-1,438,815.50

Finding the Third Proportional to 658,982 and 1,438,815.50

Calculator

Solution

The third proportional to 658,982 and 1,438,815.50 is: 3,141,497.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,982 : 1,438,815.50 = 1,438,815.50 : x
  2. Step 2: Convert to fraction form
    658,982/1,438,815.50 = 1,438,815.50/x
  3. Step 3: Cross multiply
    658,982x = 1,438,815.50 × 1,438,815.50
  4. Step 4: Simplify right side
    658,982x = 2,070,190,043,040.25
  5. Step 5: Solve for x
    x = 2,070,190,043,040.25/658,982
  6. Step 6: Final answer
    x = 3,141,497.10

Related Problems

Find third proportional to 329,491 and 719,407.75
Half scale
Find third proportional to 1,317,964 and 2,877,631
Double scale
Find third proportional to 658,984 and 1,438,820
Similar ratio
Find third proportional to 988,473 and 2,158,223.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.