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Finding the Third Proportional to 20,688,020 and 43,897,768

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Solution

The third proportional to 20,688,020 and 43,897,768 is: 93,146,373.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,688,020 : 43,897,768 = 43,897,768 : x
  2. Step 2: Convert to fraction form
    20,688,020/43,897,768 = 43,897,768/x
  3. Step 3: Cross multiply
    20,688,020x = 43,897,768 × 43,897,768
  4. Step 4: Simplify right side
    20,688,020x = 1,927,014,035,381,824
  5. Step 5: Solve for x
    x = 1,927,014,035,381,824/20,688,020
  6. Step 6: Final answer
    x = 93,146,373.38

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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.