Finding the Third Proportional to 319,293,817 and 689,681,138
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Solution
The third proportional to 319,293,817 and 689,681,138 is: 1,489,725,283.70
Step by Step Solution
- Step 1: Write the proportion equation
319,293,817 : 689,681,138 = 689,681,138 : x - Step 2: Convert to fraction form
319,293,817/689,681,138 = 689,681,138/x - Step 3: Cross multiply
319,293,817x = 689,681,138 × 689,681,138 - Step 4: Simplify right side
319,293,817x = 475,660,072,112,975,040 - Step 5: Solve for x
x = 475,660,072,112,975,040/319,293,817 - Step 6: Final answer
x = 1,489,725,283.70
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.