Finding the Third Proportional to 85,409,905.50 and 129,312,648
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Solution
The third proportional to 85,409,905.50 and 129,312,648 is: 195,782,454.45
Step by Step Solution
- Step 1: Write the proportion equation
85,409,905.50 : 129,312,648 = 129,312,648 : x - Step 2: Convert to fraction form
85,409,905.50/129,312,648 = 129,312,648/x - Step 3: Cross multiply
85,409,905.50x = 129,312,648 × 129,312,648 - Step 4: Simplify right side
85,409,905.50x = 16,721,760,932,771,904 - Step 5: Solve for x
x = 16,721,760,932,771,904/85,409,905.50 - Step 6: Final answer
x = 195,782,454.45
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.