Finding the Third Proportional to 276,621,352.50 and 420,596,259.75
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Solution
The third proportional to 276,621,352.50 and 420,596,259.75 is: 639,506,719.63
Step by Step Solution
- Step 1: Write the proportion equation
276,621,352.50 : 420,596,259.75 = 420,596,259.75 : x - Step 2: Convert to fraction form
276,621,352.50/420,596,259.75 = 420,596,259.75/x - Step 3: Cross multiply
276,621,352.50x = 420,596,259.75 × 420,596,259.75 - Step 4: Simplify right side
276,621,352.50x = 176,901,213,715,689,472 - Step 5: Solve for x
x = 176,901,213,715,689,472/276,621,352.50 - Step 6: Final answer
x = 639,506,719.63
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Why These Related Problems?
These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.