Finding the Third Proportional to 66,056,178 and 138,135,348
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Solution
The third proportional to 66,056,178 and 138,135,348 is: 288,865,855.47
Step by Step Solution
- Step 1: Write the proportion equation
66,056,178 : 138,135,348 = 138,135,348 : x - Step 2: Convert to fraction form
66,056,178/138,135,348 = 138,135,348/x - Step 3: Cross multiply
66,056,178x = 138,135,348 × 138,135,348 - Step 4: Simplify right side
66,056,178x = 19,081,374,367,081,104 - Step 5: Solve for x
x = 19,081,374,367,081,104/66,056,178 - Step 6: Final answer
x = 288,865,855.47
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These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.