Finding the Third Proportional to 31,579,779 and 69,103,242.75
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Solution
The third proportional to 31,579,779 and 69,103,242.75 is: 151,212,526.17
Step by Step Solution
- Step 1: Write the proportion equation
31,579,779 : 69,103,242.75 = 69,103,242.75 : x - Step 2: Convert to fraction form
31,579,779/69,103,242.75 = 69,103,242.75/x - Step 3: Cross multiply
31,579,779x = 69,103,242.75 × 69,103,242.75 - Step 4: Simplify right side
31,579,779x = 4,775,258,158,565,428 - Step 5: Solve for x
x = 4,775,258,158,565,428/31,579,779 - Step 6: Final answer
x = 151,212,526.17
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.