Finding the Third Proportional to 319,742,768 and 699,757,209
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Solution
The third proportional to 319,742,768 and 699,757,209 is: 1,531,419,004.75
Step by Step Solution
- Step 1: Write the proportion equation
319,742,768 : 699,757,209 = 699,757,209 : x - Step 2: Convert to fraction form
319,742,768/699,757,209 = 699,757,209/x - Step 3: Cross multiply
319,742,768x = 699,757,209 × 699,757,209 - Step 4: Simplify right side
319,742,768x = 489,660,151,547,469,696 - Step 5: Solve for x
x = 489,660,151,547,469,696/319,742,768 - Step 6: Final answer
x = 1,531,419,004.75
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.