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Finding the Third Proportional to 6,887,428.50 and 10,749,864

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Solution

The third proportional to 6,887,428.50 and 10,749,864 is: 16,778,334.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887,428.50 : 10,749,864 = 10,749,864 : x
  2. Step 2: Convert to fraction form
    6,887,428.50/10,749,864 = 10,749,864/x
  3. Step 3: Cross multiply
    6,887,428.50x = 10,749,864 × 10,749,864
  4. Step 4: Simplify right side
    6,887,428.50x = 115,559,576,018,496
  5. Step 5: Solve for x
    x = 115,559,576,018,496/6,887,428.50
  6. Step 6: Final answer
    x = 16,778,334.04

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.