Finding the Third Proportional to 72,417.50 and 106,033.75
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Solution
The third proportional to 72,417.50 and 106,033.75 is: 155,254.68
Step by Step Solution
- Step 1: Write the proportion equation
72,417.50 : 106,033.75 = 106,033.75 : x - Step 2: Convert to fraction form
72,417.50/106,033.75 = 106,033.75/x - Step 3: Cross multiply
72,417.50x = 106,033.75 × 106,033.75 - Step 4: Simplify right side
72,417.50x = 11,243,156,139.06 - Step 5: Solve for x
x = 11,243,156,139.06/72,417.50 - Step 6: Final answer
x = 155,254.68
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Why These Related Problems?
These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.