Finding the Third Proportional to 690,237.70 and 1,413,929.67
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Solution
The third proportional to 690,237.70 and 1,413,929.67 is: 2,896,389.33
Step by Step Solution
- Step 1: Write the proportion equation
690,237.70 : 1,413,929.67 = 1,413,929.67 : x - Step 2: Convert to fraction form
690,237.70/1,413,929.67 = 1,413,929.67/x - Step 3: Cross multiply
690,237.70x = 1,413,929.67 × 1,413,929.67 - Step 4: Simplify right side
690,237.70x = 1,999,197,117,008.55 - Step 5: Solve for x
x = 1,999,197,117,008.55/690,237.70 - Step 6: Final answer
x = 2,896,389.33
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Why These Related Problems?
These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.