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Finding the Third Proportional to 20,174,580 and 43,778,520

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Solution

The third proportional to 20,174,580 and 43,778,520 is: 94,998,697.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174,580 : 43,778,520 = 43,778,520 : x
  2. Step 2: Convert to fraction form
    20,174,580/43,778,520 = 43,778,520/x
  3. Step 3: Cross multiply
    20,174,580x = 43,778,520 × 43,778,520
  4. Step 4: Simplify right side
    20,174,580x = 1,916,558,813,390,400
  5. Step 5: Solve for x
    x = 1,916,558,813,390,400/20,174,580
  6. Step 6: Final answer
    x = 94,998,697.04

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.