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Finding the Third Proportional to 20,843,730 and 45,927,972

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Solution

The third proportional to 20,843,730 and 45,927,972 is: 101,199,670.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,843,730 : 45,927,972 = 45,927,972 : x
  2. Step 2: Convert to fraction form
    20,843,730/45,927,972 = 45,927,972/x
  3. Step 3: Cross multiply
    20,843,730x = 45,927,972 × 45,927,972
  4. Step 4: Simplify right side
    20,843,730x = 2,109,378,612,032,784
  5. Step 5: Solve for x
    x = 2,109,378,612,032,784/20,843,730
  6. Step 6: Final answer
    x = 101,199,670.69

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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.