Finding the Third Proportional to 372,502.13 and 778,730.63
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Solution
The third proportional to 372,502.13 and 778,730.63 is: 1,627,967.59
Step by Step Solution
- Step 1: Write the proportion equation
372,502.13 : 778,730.63 = 778,730.63 : x - Step 2: Convert to fraction form
372,502.13/778,730.63 = 778,730.63/x - Step 3: Cross multiply
372,502.13x = 778,730.63 × 778,730.63 - Step 4: Simplify right side
372,502.13x = 606,421,386,312.89 - Step 5: Solve for x
x = 606,421,386,312.89/372,502.13 - Step 6: Final answer
x = 1,627,967.59
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Why These Related Problems?
These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.