Finding the Third Proportional to 402,590.25 and 553,721.06
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Solution
The third proportional to 402,590.25 and 553,721.06 is: 761,585.79
Step by Step Solution
- Step 1: Write the proportion equation
402,590.25 : 553,721.06 = 553,721.06 : x - Step 2: Convert to fraction form
402,590.25/553,721.06 = 553,721.06/x - Step 3: Cross multiply
402,590.25x = 553,721.06 × 553,721.06 - Step 4: Simplify right side
402,590.25x = 306,607,015,056.13 - Step 5: Solve for x
x = 306,607,015,056.13/402,590.25 - Step 6: Final answer
x = 761,585.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.