Home / 840,231-1,291,495.50

Finding the Third Proportional to 840,231 and 1,291,495.50

Calculator

Solution

The third proportional to 840,231 and 1,291,495.50 is: 1,985,121.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,231 : 1,291,495.50 = 1,291,495.50 : x
  2. Step 2: Convert to fraction form
    840,231/1,291,495.50 = 1,291,495.50/x
  3. Step 3: Cross multiply
    840,231x = 1,291,495.50 × 1,291,495.50
  4. Step 4: Simplify right side
    840,231x = 1,667,960,626,520.25
  5. Step 5: Solve for x
    x = 1,667,960,626,520.25/840,231
  6. Step 6: Final answer
    x = 1,985,121.50

Related Problems

Find third proportional to 420,115.50 and 645,747.75
Half scale
Find third proportional to 1,680,462 and 2,582,991
Double scale
Find third proportional to 840,233 and 1,291,499
Similar ratio
Find third proportional to 1,260,346.50 and 1,937,243.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.