Finding the Third Proportional to 178,977,360 and 276,378,408
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Solution
The third proportional to 178,977,360 and 276,378,408 is: 426,785,960.02
Step by Step Solution
- Step 1: Write the proportion equation
178,977,360 : 276,378,408 = 276,378,408 : x - Step 2: Convert to fraction form
178,977,360/276,378,408 = 276,378,408/x - Step 3: Cross multiply
178,977,360x = 276,378,408 × 276,378,408 - Step 4: Simplify right side
178,977,360x = 76,385,024,408,614,464 - Step 5: Solve for x
x = 76,385,024,408,614,464/178,977,360 - Step 6: Final answer
x = 426,785,960.02
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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.