Finding the Third Proportional to 288,282,178 and 621,913,916
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Solution
The third proportional to 288,282,178 and 621,913,916 is: 1,341,660,874.07
Step by Step Solution
- Step 1: Write the proportion equation
288,282,178 : 621,913,916 = 621,913,916 : x - Step 2: Convert to fraction form
288,282,178/621,913,916 = 621,913,916/x - Step 3: Cross multiply
288,282,178x = 621,913,916 × 621,913,916 - Step 4: Simplify right side
288,282,178x = 386,776,918,914,455,040 - Step 5: Solve for x
x = 386,776,918,914,455,040/288,282,178 - Step 6: Final answer
x = 1,341,660,874.07
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.