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Finding the Third Proportional to 4,916,648 and 7,712,763

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Solution

The third proportional to 4,916,648 and 7,712,763 is: 12,099,038.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916,648 : 7,712,763 = 7,712,763 : x
  2. Step 2: Convert to fraction form
    4,916,648/7,712,763 = 7,712,763/x
  3. Step 3: Cross multiply
    4,916,648x = 7,712,763 × 7,712,763
  4. Step 4: Simplify right side
    4,916,648x = 59,486,713,094,169
  5. Step 5: Solve for x
    x = 59,486,713,094,169/4,916,648
  6. Step 6: Final answer
    x = 12,099,038.43

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.