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Finding the Third Proportional to 45,543,348 and 99,173,136

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Solution

The third proportional to 45,543,348 and 99,173,136 is: 215,954,938.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,543,348 : 99,173,136 = 99,173,136 : x
  2. Step 2: Convert to fraction form
    45,543,348/99,173,136 = 99,173,136/x
  3. Step 3: Cross multiply
    45,543,348x = 99,173,136 × 99,173,136
  4. Step 4: Simplify right side
    45,543,348x = 9,835,310,904,074,496
  5. Step 5: Solve for x
    x = 9,835,310,904,074,496/45,543,348
  6. Step 6: Final answer
    x = 215,954,938.23

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.