Finding the Third Proportional to 163,813,728 and 358,482,624
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Solution
The third proportional to 163,813,728 and 358,482,624 is: 784,487,315.43
Step by Step Solution
- Step 1: Write the proportion equation
163,813,728 : 358,482,624 = 358,482,624 : x - Step 2: Convert to fraction form
163,813,728/358,482,624 = 358,482,624/x - Step 3: Cross multiply
163,813,728x = 358,482,624 × 358,482,624 - Step 4: Simplify right side
163,813,728x = 128,509,791,709,925,376 - Step 5: Solve for x
x = 128,509,791,709,925,376/163,813,728 - Step 6: Final answer
x = 784,487,315.43
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.