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Finding the Third Proportional to 4,658,520 and 9,876,888

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Solution

The third proportional to 4,658,520 and 9,876,888 is: 20,940,752.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,658,520 : 9,876,888 = 9,876,888 : x
  2. Step 2: Convert to fraction form
    4,658,520/9,876,888 = 9,876,888/x
  3. Step 3: Cross multiply
    4,658,520x = 9,876,888 × 9,876,888
  4. Step 4: Simplify right side
    4,658,520x = 97,552,916,564,544
  5. Step 5: Solve for x
    x = 97,552,916,564,544/4,658,520
  6. Step 6: Final answer
    x = 20,940,752.98

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.