Finding the Third Proportional to 209,917,260 and 455,516,328
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Solution
The third proportional to 209,917,260 and 455,516,328 is: 988,461,477.99
Step by Step Solution
- Step 1: Write the proportion equation
209,917,260 : 455,516,328 = 455,516,328 : x - Step 2: Convert to fraction form
209,917,260/455,516,328 = 455,516,328/x - Step 3: Cross multiply
209,917,260x = 455,516,328 × 455,516,328 - Step 4: Simplify right side
209,917,260x = 207,495,125,074,603,584 - Step 5: Solve for x
x = 207,495,125,074,603,584/209,917,260 - Step 6: Final answer
x = 988,461,477.99
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.