Home / 460,310-621,913

Finding the Third Proportional to 460,310 and 621,913

Calculator

Solution

The third proportional to 460,310 and 621,913 is: 840,250.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,310 : 621,913 = 621,913 : x
  2. Step 2: Convert to fraction form
    460,310/621,913 = 621,913/x
  3. Step 3: Cross multiply
    460,310x = 621,913 × 621,913
  4. Step 4: Simplify right side
    460,310x = 386,775,779,569
  5. Step 5: Solve for x
    x = 386,775,779,569/460,310
  6. Step 6: Final answer
    x = 840,250.66

Related Problems

Find third proportional to 230,155 and 310,956.50
Half scale
Find third proportional to 920,620 and 1,243,826
Double scale
Find third proportional to 460,312 and 621,916
Similar ratio
Find third proportional to 690,465 and 932,869.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.