Finding the Third Proportional to 290,709,564 and 446,841,624
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Solution
The third proportional to 290,709,564 and 446,841,624 is: 686,827,891.70
Step by Step Solution
- Step 1: Write the proportion equation
290,709,564 : 446,841,624 = 446,841,624 : x - Step 2: Convert to fraction form
290,709,564/446,841,624 = 446,841,624/x - Step 3: Cross multiply
290,709,564x = 446,841,624 × 446,841,624 - Step 4: Simplify right side
290,709,564x = 199,667,436,938,957,376 - Step 5: Solve for x
x = 199,667,436,938,957,376/290,709,564 - Step 6: Final answer
x = 686,827,891.70
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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.