Finding the Third Proportional to 139,963,979 and 197,014,237
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Solution
The third proportional to 139,963,979 and 197,014,237 is: 277,318,563.38
Step by Step Solution
- Step 1: Write the proportion equation
139,963,979 : 197,014,237 = 197,014,237 : x - Step 2: Convert to fraction form
139,963,979/197,014,237 = 197,014,237/x - Step 3: Cross multiply
139,963,979x = 197,014,237 × 197,014,237 - Step 4: Simplify right side
139,963,979x = 38,814,609,580,692,168 - Step 5: Solve for x
x = 38,814,609,580,692,168/139,963,979 - Step 6: Final answer
x = 277,318,563.38
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Why These Related Problems?
These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.