Finding the Third Proportional to 298,411,854 and 642,173,358
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Solution
The third proportional to 298,411,854 and 642,173,358 is: 1,381,937,802.39
Step by Step Solution
- Step 1: Write the proportion equation
298,411,854 : 642,173,358 = 642,173,358 : x - Step 2: Convert to fraction form
298,411,854/642,173,358 = 642,173,358/x - Step 3: Cross multiply
298,411,854x = 642,173,358 × 642,173,358 - Step 4: Simplify right side
298,411,854x = 412,386,621,724,996,160 - Step 5: Solve for x
x = 412,386,621,724,996,160/298,411,854 - Step 6: Final answer
x = 1,381,937,802.39
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.