Finding the Third Proportional to 249,481.13 and 390,911.63
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Solution
The third proportional to 249,481.13 and 390,911.63 is: 612,518.88
Step by Step Solution
- Step 1: Write the proportion equation
249,481.13 : 390,911.63 = 390,911.63 : x - Step 2: Convert to fraction form
249,481.13/390,911.63 = 390,911.63/x - Step 3: Cross multiply
249,481.13x = 390,911.63 × 390,911.63 - Step 4: Simplify right side
249,481.13x = 152,811,898,560.14 - Step 5: Solve for x
x = 152,811,898,560.14/249,481.13 - Step 6: Final answer
x = 612,518.88
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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.