Finding the Third Proportional to 398,553,282 and 862,611,372
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Solution
The third proportional to 398,553,282 and 862,611,372 is: 1,866,998,498.59
Step by Step Solution
- Step 1: Write the proportion equation
398,553,282 : 862,611,372 = 862,611,372 : x - Step 2: Convert to fraction form
398,553,282/862,611,372 = 862,611,372/x - Step 3: Cross multiply
398,553,282x = 862,611,372 × 862,611,372 - Step 4: Simplify right side
398,553,282x = 744,098,379,103,722,368 - Step 5: Solve for x
x = 744,098,379,103,722,368/398,553,282 - Step 6: Final answer
x = 1,866,998,498.59
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.