Finding the Third Proportional to 69,115,709.25 and 148,488,378.75
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Solution
The third proportional to 69,115,709.25 and 148,488,378.75 is: 319,012,838.95
Step by Step Solution
- Step 1: Write the proportion equation
69,115,709.25 : 148,488,378.75 = 148,488,378.75 : x - Step 2: Convert to fraction form
69,115,709.25/148,488,378.75 = 148,488,378.75/x - Step 3: Cross multiply
69,115,709.25x = 148,488,378.75 × 148,488,378.75 - Step 4: Simplify right side
69,115,709.25x = 22,048,798,623,803,452 - Step 5: Solve for x
x = 22,048,798,623,803,452/69,115,709.25 - Step 6: Final answer
x = 319,012,838.95
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.