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Finding the Third Proportional to 19,949,746.50 and 42,977,007

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Solution

The third proportional to 19,949,746.50 and 42,977,007 is: 92,583,789.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,949,746.50 : 42,977,007 = 42,977,007 : x
  2. Step 2: Convert to fraction form
    19,949,746.50/42,977,007 = 42,977,007/x
  3. Step 3: Cross multiply
    19,949,746.50x = 42,977,007 × 42,977,007
  4. Step 4: Simplify right side
    19,949,746.50x = 1,847,023,130,678,049
  5. Step 5: Solve for x
    x = 1,847,023,130,678,049/19,949,746.50
  6. Step 6: Final answer
    x = 92,583,789.51

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.