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Finding the Third Proportional to 4,916,628 and 7,712,748

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Solution

The third proportional to 4,916,628 and 7,712,748 is: 12,099,040.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916,628 : 7,712,748 = 7,712,748 : x
  2. Step 2: Convert to fraction form
    4,916,628/7,712,748 = 7,712,748/x
  3. Step 3: Cross multiply
    4,916,628x = 7,712,748 × 7,712,748
  4. Step 4: Simplify right side
    4,916,628x = 59,486,481,711,504
  5. Step 5: Solve for x
    x = 59,486,481,711,504/4,916,628
  6. Step 6: Final answer
    x = 12,099,040.58

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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.