Finding the Third Proportional to 77,494,587,918 and 121,300,195,612.50
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Solution
The third proportional to 77,494,587,918 and 121,300,195,612.50 is: 189,867,935,954.44
Step by Step Solution
- Step 1: Write the proportion equation
77,494,587,918 : 121,300,195,612.50 = 121,300,195,612.50 : x - Step 2: Convert to fraction form
77,494,587,918/121,300,195,612.50 = 121,300,195,612.50/x - Step 3: Cross multiply
77,494,587,918x = 121,300,195,612.50 × 121,300,195,612.50 - Step 4: Simplify right side
77,494,587,918x = 14,713,737,455,630,764,998,656 - Step 5: Solve for x
x = 14,713,737,455,630,764,998,656/77,494,587,918 - Step 6: Final answer
x = 189,867,935,954.44
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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.