Finding the Third Proportional to 65,191,440 and 138,155,193
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Solution
The third proportional to 65,191,440 and 138,155,193 is: 292,781,649.75
Step by Step Solution
- Step 1: Write the proportion equation
65,191,440 : 138,155,193 = 138,155,193 : x - Step 2: Convert to fraction form
65,191,440/138,155,193 = 138,155,193/x - Step 3: Cross multiply
65,191,440x = 138,155,193 × 138,155,193 - Step 4: Simplify right side
65,191,440x = 19,086,857,352,867,248 - Step 5: Solve for x
x = 19,086,857,352,867,248/65,191,440 - Step 6: Final answer
x = 292,781,649.75
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These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.