Finding the Third Proportional to 509,787,816.75 and 787,201,593.19
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Solution
The third proportional to 509,787,816.75 and 787,201,593.19 is: 1,215,577,006.66
Step by Step Solution
- Step 1: Write the proportion equation
509,787,816.75 : 787,201,593.19 = 787,201,593.19 : x - Step 2: Convert to fraction form
509,787,816.75/787,201,593.19 = 787,201,593.19/x - Step 3: Cross multiply
509,787,816.75x = 787,201,593.19 × 787,201,593.19 - Step 4: Simplify right side
509,787,816.75x = 619,686,348,316,938,240 - Step 5: Solve for x
x = 619,686,348,316,938,240/509,787,816.75 - Step 6: Final answer
x = 1,215,577,006.66
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.