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Finding the Third Proportional to 4,547,331 and 9,689,949

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Solution

The third proportional to 4,547,331 and 9,689,949 is: 20,648,400.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,547,331 : 9,689,949 = 9,689,949 : x
  2. Step 2: Convert to fraction form
    4,547,331/9,689,949 = 9,689,949/x
  3. Step 3: Cross multiply
    4,547,331x = 9,689,949 × 9,689,949
  4. Step 4: Simplify right side
    4,547,331x = 93,895,111,622,601
  5. Step 5: Solve for x
    x = 93,895,111,622,601/4,547,331
  6. Step 6: Final answer
    x = 20,648,400.48

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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.