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Finding the Third Proportional to 15,691,781 and 33,860,701

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Solution

The third proportional to 15,691,781 and 33,860,701 is: 73,066,726.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,691,781 : 33,860,701 = 33,860,701 : x
  2. Step 2: Convert to fraction form
    15,691,781/33,860,701 = 33,860,701/x
  3. Step 3: Cross multiply
    15,691,781x = 33,860,701 × 33,860,701
  4. Step 4: Simplify right side
    15,691,781x = 1,146,547,072,211,401
  5. Step 5: Solve for x
    x = 1,146,547,072,211,401/15,691,781
  6. Step 6: Final answer
    x = 73,066,726.60

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.