Finding the Third Proportional to 316,565,917 and 687,276,122
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Solution
The third proportional to 316,565,917 and 687,276,122 is: 1,492,101,462.94
Step by Step Solution
- Step 1: Write the proportion equation
316,565,917 : 687,276,122 = 687,276,122 : x - Step 2: Convert to fraction form
316,565,917/687,276,122 = 687,276,122/x - Step 3: Cross multiply
316,565,917x = 687,276,122 × 687,276,122 - Step 4: Simplify right side
316,565,917x = 472,348,467,871,358,912 - Step 5: Solve for x
x = 472,348,467,871,358,912/316,565,917 - Step 6: Final answer
x = 1,492,101,462.94
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.