Home / 390,103.50-583,575

Finding the Third Proportional to 390,103.50 and 583,575

Calculator

Solution

The third proportional to 390,103.50 and 583,575 is: 872,998.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,103.50 : 583,575 = 583,575 : x
  2. Step 2: Convert to fraction form
    390,103.50/583,575 = 583,575/x
  3. Step 3: Cross multiply
    390,103.50x = 583,575 × 583,575
  4. Step 4: Simplify right side
    390,103.50x = 340,559,780,625
  5. Step 5: Solve for x
    x = 340,559,780,625/390,103.50
  6. Step 6: Final answer
    x = 872,998.53

Related Problems

Find third proportional to 195,051.75 and 291,787.50
Half scale
Find third proportional to 780,207 and 1,167,150
Double scale
Find third proportional to 390,106 and 583,578
Similar ratio
Find third proportional to 585,155.25 and 875,362.50
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.