Finding the Third Proportional to 81,724,276 and 121,877,718
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Solution
The third proportional to 81,724,276 and 121,877,718 is: 181,759,678.66
Step by Step Solution
- Step 1: Write the proportion equation
81,724,276 : 121,877,718 = 121,877,718 : x - Step 2: Convert to fraction form
81,724,276/121,877,718 = 121,877,718/x - Step 3: Cross multiply
81,724,276x = 121,877,718 × 121,877,718 - Step 4: Simplify right side
81,724,276x = 14,854,178,144,887,524 - Step 5: Solve for x
x = 14,854,178,144,887,524/81,724,276 - Step 6: Final answer
x = 181,759,678.66
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.