Finding the Third Proportional to 640,072.13 and 961,809.19
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Solution
The third proportional to 640,072.13 and 961,809.19 is: 1,445,269.80
Step by Step Solution
- Step 1: Write the proportion equation
640,072.13 : 961,809.19 = 961,809.19 : x - Step 2: Convert to fraction form
640,072.13/961,809.19 = 961,809.19/x - Step 3: Cross multiply
640,072.13x = 961,809.19 × 961,809.19 - Step 4: Simplify right side
640,072.13x = 925,076,913,159.41 - Step 5: Solve for x
x = 925,076,913,159.41/640,072.13 - Step 6: Final answer
x = 1,445,269.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.