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Finding the Third Proportional to 20,688,026 and 43,897,780

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Solution

The third proportional to 20,688,026 and 43,897,780 is: 93,146,397.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,688,026 : 43,897,780 = 43,897,780 : x
  2. Step 2: Convert to fraction form
    20,688,026/43,897,780 = 43,897,780/x
  3. Step 3: Cross multiply
    20,688,026x = 43,897,780 × 43,897,780
  4. Step 4: Simplify right side
    20,688,026x = 1,927,015,088,928,400
  5. Step 5: Solve for x
    x = 1,927,015,088,928,400/20,688,026
  6. Step 6: Final answer
    x = 93,146,397.29

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.