Finding the Third Proportional to 985,113 and 2,138,368.50
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Solution
The third proportional to 985,113 and 2,138,368.50 is: 4,641,721.14
Step by Step Solution
- Step 1: Write the proportion equation
985,113 : 2,138,368.50 = 2,138,368.50 : x - Step 2: Convert to fraction form
985,113/2,138,368.50 = 2,138,368.50/x - Step 3: Cross multiply
985,113x = 2,138,368.50 × 2,138,368.50 - Step 4: Simplify right side
985,113x = 4,572,619,841,792.25 - Step 5: Solve for x
x = 4,572,619,841,792.25/985,113 - Step 6: Final answer
x = 4,641,721.14
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.