Finding the Third Proportional to 398,865,932 and 612,706,908
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Solution
The third proportional to 398,865,932 and 612,706,908 is: 941,192,829.45
Step by Step Solution
- Step 1: Write the proportion equation
398,865,932 : 612,706,908 = 612,706,908 : x - Step 2: Convert to fraction form
398,865,932/612,706,908 = 612,706,908/x - Step 3: Cross multiply
398,865,932x = 612,706,908 × 612,706,908 - Step 4: Simplify right side
398,865,932x = 375,409,755,110,920,448 - Step 5: Solve for x
x = 375,409,755,110,920,448/398,865,932 - Step 6: Final answer
x = 941,192,829.45
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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.