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Finding the Third Proportional to 4,943,640 and 6,621,348

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Solution

The third proportional to 4,943,640 and 6,621,348 is: 8,868,414.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,943,640 : 6,621,348 = 6,621,348 : x
  2. Step 2: Convert to fraction form
    4,943,640/6,621,348 = 6,621,348/x
  3. Step 3: Cross multiply
    4,943,640x = 6,621,348 × 6,621,348
  4. Step 4: Simplify right side
    4,943,640x = 43,842,249,337,104
  5. Step 5: Solve for x
    x = 43,842,249,337,104/4,943,640
  6. Step 6: Final answer
    x = 8,868,414.64

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.