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Finding the Third Proportional to 7,716,963.50 and 11,352,389

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Solution

The third proportional to 7,716,963.50 and 11,352,389 is: 16,700,446.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716,963.50 : 11,352,389 = 11,352,389 : x
  2. Step 2: Convert to fraction form
    7,716,963.50/11,352,389 = 11,352,389/x
  3. Step 3: Cross multiply
    7,716,963.50x = 11,352,389 × 11,352,389
  4. Step 4: Simplify right side
    7,716,963.50x = 128,876,736,007,321
  5. Step 5: Solve for x
    x = 128,876,736,007,321/7,716,963.50
  6. Step 6: Final answer
    x = 16,700,446.49

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.