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Finding the Third Proportional to 9,923,880 and 21,368,376

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Solution

The third proportional to 9,923,880 and 21,368,376 is: 46,010,984.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,923,880 : 21,368,376 = 21,368,376 : x
  2. Step 2: Convert to fraction form
    9,923,880/21,368,376 = 21,368,376/x
  3. Step 3: Cross multiply
    9,923,880x = 21,368,376 × 21,368,376
  4. Step 4: Simplify right side
    9,923,880x = 456,607,492,877,376
  5. Step 5: Solve for x
    x = 456,607,492,877,376/9,923,880
  6. Step 6: Final answer
    x = 46,010,984.90

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.