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Finding the Third Proportional to 6,464,688 and 9,640,977.75

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Solution

The third proportional to 6,464,688 and 9,640,977.75 is: 14,377,871.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,464,688 : 9,640,977.75 = 9,640,977.75 : x
  2. Step 2: Convert to fraction form
    6,464,688/9,640,977.75 = 9,640,977.75/x
  3. Step 3: Cross multiply
    6,464,688x = 9,640,977.75 × 9,640,977.75
  4. Step 4: Simplify right side
    6,464,688x = 92,948,451,975,995.06
  5. Step 5: Solve for x
    x = 92,948,451,975,995.06/6,464,688
  6. Step 6: Final answer
    x = 14,377,871.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.