Finding the Third Proportional to 55,721,049.19 and 84,423,021.19
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Solution
The third proportional to 55,721,049.19 and 84,423,021.19 is: 127,909,409.65
Step by Step Solution
- Step 1: Write the proportion equation
55,721,049.19 : 84,423,021.19 = 84,423,021.19 : x - Step 2: Convert to fraction form
55,721,049.19/84,423,021.19 = 84,423,021.19/x - Step 3: Cross multiply
55,721,049.19x = 84,423,021.19 × 84,423,021.19 - Step 4: Simplify right side
55,721,049.19x = 7,127,246,506,425,074 - Step 5: Solve for x
x = 7,127,246,506,425,074/55,721,049.19 - Step 6: Final answer
x = 127,909,409.65
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Why These Related Problems?
These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.