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Finding the Third Proportional to 20,688,022 and 43,897,772

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Solution

The third proportional to 20,688,022 and 43,897,772 is: 93,146,381.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,688,022 : 43,897,772 = 43,897,772 : x
  2. Step 2: Convert to fraction form
    20,688,022/43,897,772 = 43,897,772/x
  3. Step 3: Cross multiply
    20,688,022x = 43,897,772 × 43,897,772
  4. Step 4: Simplify right side
    20,688,022x = 1,927,014,386,563,984
  5. Step 5: Solve for x
    x = 1,927,014,386,563,984/20,688,022
  6. Step 6: Final answer
    x = 93,146,381.35

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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.