Finding the Third Proportional to 421,971.19 and 602,987.63
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Solution
The third proportional to 421,971.19 and 602,987.63 is: 861,656.17
Step by Step Solution
- Step 1: Write the proportion equation
421,971.19 : 602,987.63 = 602,987.63 : x - Step 2: Convert to fraction form
421,971.19/602,987.63 = 602,987.63/x - Step 3: Cross multiply
421,971.19x = 602,987.63 × 602,987.63 - Step 4: Simplify right side
421,971.19x = 363,594,075,903.14 - Step 5: Solve for x
x = 363,594,075,903.14/421,971.19 - Step 6: Final answer
x = 861,656.17
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These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.