Finding the Third Proportional to 778,575 and 1,689,342
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Solution
The third proportional to 778,575 and 1,689,342 is: 3,665,512.50
Step by Step Solution
- Step 1: Write the proportion equation
778,575 : 1,689,342 = 1,689,342 : x - Step 2: Convert to fraction form
778,575/1,689,342 = 1,689,342/x - Step 3: Cross multiply
778,575x = 1,689,342 × 1,689,342 - Step 4: Simplify right side
778,575x = 2,853,876,392,964 - Step 5: Solve for x
x = 2,853,876,392,964/778,575 - Step 6: Final answer
x = 3,665,512.50
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.