Finding the Third Proportional to 458,358.75 and 708,474.09
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Solution
The third proportional to 458,358.75 and 708,474.09 is: 1,095,071.36
Step by Step Solution
- Step 1: Write the proportion equation
458,358.75 : 708,474.09 = 708,474.09 : x - Step 2: Convert to fraction form
458,358.75/708,474.09 = 708,474.09/x - Step 3: Cross multiply
458,358.75x = 708,474.09 × 708,474.09 - Step 4: Simplify right side
458,358.75x = 501,935,541,514.88 - Step 5: Solve for x
x = 501,935,541,514.88/458,358.75 - Step 6: Final answer
x = 1,095,071.36
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.