Finding the Third Proportional to 421,873.31 and 653,405.06
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Solution
The third proportional to 421,873.31 and 653,405.06 is: 1,012,005.65
Step by Step Solution
- Step 1: Write the proportion equation
421,873.31 : 653,405.06 = 653,405.06 : x - Step 2: Convert to fraction form
421,873.31/653,405.06 = 653,405.06/x - Step 3: Cross multiply
421,873.31x = 653,405.06 × 653,405.06 - Step 4: Simplify right side
421,873.31x = 426,938,175,700.63 - Step 5: Solve for x
x = 426,938,175,700.63/421,873.31 - Step 6: Final answer
x = 1,012,005.65
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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.