Finding the Third Proportional to 168,651,364 and 390,390,658
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Solution
The third proportional to 168,651,364 and 390,390,658 is: 903,668,148.53
Step by Step Solution
- Step 1: Write the proportion equation
168,651,364 : 390,390,658 = 390,390,658 : x - Step 2: Convert to fraction form
168,651,364/390,390,658 = 390,390,658/x - Step 3: Cross multiply
168,651,364x = 390,390,658 × 390,390,658 - Step 4: Simplify right side
168,651,364x = 152,404,865,853,672,960 - Step 5: Solve for x
x = 152,404,865,853,672,960/168,651,364 - Step 6: Final answer
x = 903,668,148.53
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These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.