Finding the Third Proportional to 316,987,274.25 and 690,249,156.75
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Solution
The third proportional to 316,987,274.25 and 690,249,156.75 is: 1,503,037,935.90
Step by Step Solution
- Step 1: Write the proportion equation
316,987,274.25 : 690,249,156.75 = 690,249,156.75 : x - Step 2: Convert to fraction form
316,987,274.25/690,249,156.75 = 690,249,156.75/x - Step 3: Cross multiply
316,987,274.25x = 690,249,156.75 × 690,249,156.75 - Step 4: Simplify right side
316,987,274.25x = 476,443,898,394,086,080 - Step 5: Solve for x
x = 476,443,898,394,086,080/316,987,274.25 - Step 6: Final answer
x = 1,503,037,935.90
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.