Finding the Third Proportional to 78,838,152 and 168,571,664
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Solution
The third proportional to 78,838,152 and 168,571,664 is: 360,439,776.72
Step by Step Solution
- Step 1: Write the proportion equation
78,838,152 : 168,571,664 = 168,571,664 : x - Step 2: Convert to fraction form
78,838,152/168,571,664 = 168,571,664/x - Step 3: Cross multiply
78,838,152x = 168,571,664 × 168,571,664 - Step 4: Simplify right side
78,838,152x = 28,416,405,903,728,896 - Step 5: Solve for x
x = 28,416,405,903,728,896/78,838,152 - Step 6: Final answer
x = 360,439,776.72
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These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.