Home / 615,531-920,835

Finding the Third Proportional to 615,531 and 920,835

Calculator

Solution

The third proportional to 615,531 and 920,835 is: 1,377,570.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,531 : 920,835 = 920,835 : x
  2. Step 2: Convert to fraction form
    615,531/920,835 = 920,835/x
  3. Step 3: Cross multiply
    615,531x = 920,835 × 920,835
  4. Step 4: Simplify right side
    615,531x = 847,937,097,225
  5. Step 5: Solve for x
    x = 847,937,097,225/615,531
  6. Step 6: Final answer
    x = 1,377,570.09

Related Problems

Find third proportional to 307,765.50 and 460,417.50
Half scale
Find third proportional to 1,231,062 and 1,841,670
Double scale
Find third proportional to 615,533 and 920,838
Similar ratio
Find third proportional to 923,296.50 and 1,381,252.50
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.