Finding the Third Proportional to 645,939 and 1,390,588.50
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Solution
The third proportional to 645,939 and 1,390,588.50 is: 2,993,682.65
Step by Step Solution
- Step 1: Write the proportion equation
645,939 : 1,390,588.50 = 1,390,588.50 : x - Step 2: Convert to fraction form
645,939/1,390,588.50 = 1,390,588.50/x - Step 3: Cross multiply
645,939x = 1,390,588.50 × 1,390,588.50 - Step 4: Simplify right side
645,939x = 1,933,736,376,332.25 - Step 5: Solve for x
x = 1,933,736,376,332.25/645,939 - Step 6: Final answer
x = 2,993,682.65
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.