Finding the Third Proportional to 39,115,781 and 84,963,040
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Solution
The third proportional to 39,115,781 and 84,963,040 is: 184,547,463.49
Step by Step Solution
- Step 1: Write the proportion equation
39,115,781 : 84,963,040 = 84,963,040 : x - Step 2: Convert to fraction form
39,115,781/84,963,040 = 84,963,040/x - Step 3: Cross multiply
39,115,781x = 84,963,040 × 84,963,040 - Step 4: Simplify right side
39,115,781x = 7,218,718,166,041,600 - Step 5: Solve for x
x = 7,218,718,166,041,600/39,115,781 - Step 6: Final answer
x = 184,547,463.49
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.