Finding the Third Proportional to 913,894 and 1,980,320
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Solution
The third proportional to 913,894 and 1,980,320 is: 4,291,162.11
Step by Step Solution
- Step 1: Write the proportion equation
913,894 : 1,980,320 = 1,980,320 : x - Step 2: Convert to fraction form
913,894/1,980,320 = 1,980,320/x - Step 3: Cross multiply
913,894x = 1,980,320 × 1,980,320 - Step 4: Simplify right side
913,894x = 3,921,667,302,400 - Step 5: Solve for x
x = 3,921,667,302,400/913,894 - Step 6: Final answer
x = 4,291,162.11
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.