Finding the Third Proportional to 689,391 and 1,029,955.50
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Solution
The third proportional to 689,391 and 1,029,955.50 is: 1,538,761.50
Step by Step Solution
- Step 1: Write the proportion equation
689,391 : 1,029,955.50 = 1,029,955.50 : x - Step 2: Convert to fraction form
689,391/1,029,955.50 = 1,029,955.50/x - Step 3: Cross multiply
689,391x = 1,029,955.50 × 1,029,955.50 - Step 4: Simplify right side
689,391x = 1,060,808,331,980.25 - Step 5: Solve for x
x = 1,060,808,331,980.25/689,391 - Step 6: Final answer
x = 1,538,761.50
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.