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Finding the Third Proportional to 4,553,391 and 9,696,678

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Solution

The third proportional to 4,553,391 and 9,696,678 is: 20,649,569.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,553,391 : 9,696,678 = 9,696,678 : x
  2. Step 2: Convert to fraction form
    4,553,391/9,696,678 = 9,696,678/x
  3. Step 3: Cross multiply
    4,553,391x = 9,696,678 × 9,696,678
  4. Step 4: Simplify right side
    4,553,391x = 94,025,564,235,684
  5. Step 5: Solve for x
    x = 94,025,564,235,684/4,553,391
  6. Step 6: Final answer
    x = 20,649,569.57

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.