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Finding the Third Proportional to 9,988,490.50 and 21,492,937

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Solution

The third proportional to 9,988,490.50 and 21,492,937 is: 46,247,863.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,988,490.50 : 21,492,937 = 21,492,937 : x
  2. Step 2: Convert to fraction form
    9,988,490.50/21,492,937 = 21,492,937/x
  3. Step 3: Cross multiply
    9,988,490.50x = 21,492,937 × 21,492,937
  4. Step 4: Simplify right side
    9,988,490.50x = 461,946,340,885,969
  5. Step 5: Solve for x
    x = 461,946,340,885,969/9,988,490.50
  6. Step 6: Final answer
    x = 46,247,863.07

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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.