Finding the Third Proportional to 136,128,040 and 298,705,712
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Solution
The third proportional to 136,128,040 and 298,705,712 is: 655,449,842.53
Step by Step Solution
- Step 1: Write the proportion equation
136,128,040 : 298,705,712 = 298,705,712 : x - Step 2: Convert to fraction form
136,128,040/298,705,712 = 298,705,712/x - Step 3: Cross multiply
136,128,040x = 298,705,712 × 298,705,712 - Step 4: Simplify right side
136,128,040x = 89,225,102,381,426,944 - Step 5: Solve for x
x = 89,225,102,381,426,944/136,128,040 - Step 6: Final answer
x = 655,449,842.53
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.