Home / 260,374.31-405,784.69

Finding the Third Proportional to 260,374.31 and 405,784.69

Calculator

Solution

The third proportional to 260,374.31 and 405,784.69 is: 632,401.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,374.31 : 405,784.69 = 405,784.69 : x
  2. Step 2: Convert to fraction form
    260,374.31/405,784.69 = 405,784.69/x
  3. Step 3: Cross multiply
    260,374.31x = 405,784.69 × 405,784.69
  4. Step 4: Simplify right side
    260,374.31x = 164,661,212,609.47
  5. Step 5: Solve for x
    x = 164,661,212,609.47/260,374.31
  6. Step 6: Final answer
    x = 632,401.91

Related Problems

Find third proportional to 130,187.16 and 202,892.34
Half scale
Find third proportional to 520,748.63 and 811,569.38
Double scale
Find third proportional to 260,376 and 405,788
Similar ratio
Find third proportional to 390,561.47 and 608,677.03
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.