Finding the Third Proportional to 76,566,789 and 117,688,545
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Solution
The third proportional to 76,566,789 and 117,688,545 is: 180,895,578.95
Step by Step Solution
- Step 1: Write the proportion equation
76,566,789 : 117,688,545 = 117,688,545 : x - Step 2: Convert to fraction form
76,566,789/117,688,545 = 117,688,545/x - Step 3: Cross multiply
76,566,789x = 117,688,545 × 117,688,545 - Step 4: Simplify right side
76,566,789x = 13,850,593,624,217,024 - Step 5: Solve for x
x = 13,850,593,624,217,024/76,566,789 - Step 6: Final answer
x = 180,895,578.95
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.