Finding the Third Proportional to 77,078,130 and 181,896,555
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Solution
The third proportional to 77,078,130 and 181,896,555 is: 429,257,387.55
Step by Step Solution
- Step 1: Write the proportion equation
77,078,130 : 181,896,555 = 181,896,555 : x - Step 2: Convert to fraction form
77,078,130/181,896,555 = 181,896,555/x - Step 3: Cross multiply
77,078,130x = 181,896,555 × 181,896,555 - Step 4: Simplify right side
77,078,130x = 33,086,356,720,868,024 - Step 5: Solve for x
x = 33,086,356,720,868,024/77,078,130 - Step 6: Final answer
x = 429,257,387.55
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Why These Related Problems?
These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.