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Finding the Third Proportional to 16,721,461 and 36,731,214

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Solution

The third proportional to 16,721,461 and 36,731,214 is: 80,685,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721,461 : 36,731,214 = 36,731,214 : x
  2. Step 2: Convert to fraction form
    16,721,461/36,731,214 = 36,731,214/x
  3. Step 3: Cross multiply
    16,721,461x = 36,731,214 × 36,731,214
  4. Step 4: Simplify right side
    16,721,461x = 1,349,182,081,913,796
  5. Step 5: Solve for x
    x = 1,349,182,081,913,796/16,721,461
  6. Step 6: Final answer
    x = 80,685,657.90

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.