Finding the Third Proportional to 69,508,555.31 and 149,781,615.75
Calculator
Solution
The third proportional to 69,508,555.31 and 149,781,615.75 is: 322,759,296.55
Step by Step Solution
- Step 1: Write the proportion equation
69,508,555.31 : 149,781,615.75 = 149,781,615.75 : x - Step 2: Convert to fraction form
69,508,555.31/149,781,615.75 = 149,781,615.75/x - Step 3: Cross multiply
69,508,555.31x = 149,781,615.75 × 149,781,615.75 - Step 4: Simplify right side
69,508,555.31x = 22,434,532,416,680,648 - Step 5: Solve for x
x = 22,434,532,416,680,648/69,508,555.31 - Step 6: Final answer
x = 322,759,296.55
Related Problems
Find third proportional to 34,754,277.66 and 74,890,807.88
Half scale
Find third proportional to 139,017,110.63 and 299,563,231.50
Double scale
Find third proportional to 69,508,557 and 149,781,620
Similar ratio
Find third proportional to 104,262,832.97 and 224,672,423.63
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.