Finding the Third Proportional to 138,484,815.75 and 299,950,263.75
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Solution
The third proportional to 138,484,815.75 and 299,950,263.75 is: 649,675,274.77
Step by Step Solution
- Step 1: Write the proportion equation
138,484,815.75 : 299,950,263.75 = 299,950,263.75 : x - Step 2: Convert to fraction form
138,484,815.75/299,950,263.75 = 299,950,263.75/x - Step 3: Cross multiply
138,484,815.75x = 299,950,263.75 × 299,950,263.75 - Step 4: Simplify right side
138,484,815.75x = 89,970,160,723,694,560 - Step 5: Solve for x
x = 89,970,160,723,694,560/138,484,815.75 - Step 6: Final answer
x = 649,675,274.77
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.