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Finding the Third Proportional to 19,942,050 and 43,378,140

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Solution

The third proportional to 19,942,050 and 43,378,140 is: 94,356,549.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942,050 : 43,378,140 = 43,378,140 : x
  2. Step 2: Convert to fraction form
    19,942,050/43,378,140 = 43,378,140/x
  3. Step 3: Cross multiply
    19,942,050x = 43,378,140 × 43,378,140
  4. Step 4: Simplify right side
    19,942,050x = 1,881,663,029,859,600
  5. Step 5: Solve for x
    x = 1,881,663,029,859,600/19,942,050
  6. Step 6: Final answer
    x = 94,356,549.60

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.