Finding the Third Proportional to 272,925,720 and 390,286,998
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Solution
The third proportional to 272,925,720 and 390,286,998 is: 558,115,009.49
Step by Step Solution
- Step 1: Write the proportion equation
272,925,720 : 390,286,998 = 390,286,998 : x - Step 2: Convert to fraction form
272,925,720/390,286,998 = 390,286,998/x - Step 3: Cross multiply
272,925,720x = 390,286,998 × 390,286,998 - Step 4: Simplify right side
272,925,720x = 152,323,940,807,852,000 - Step 5: Solve for x
x = 152,323,940,807,852,000/272,925,720 - Step 6: Final answer
x = 558,115,009.49
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These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.