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Finding the Third Proportional to 19,009,339.45 and 39,026,411.30

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Solution

The third proportional to 19,009,339.45 and 39,026,411.30 is: 80,121,709.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009,339.45 : 39,026,411.30 = 39,026,411.30 : x
  2. Step 2: Convert to fraction form
    19,009,339.45/39,026,411.30 = 39,026,411.30/x
  3. Step 3: Cross multiply
    19,009,339.45x = 39,026,411.30 × 39,026,411.30
  4. Step 4: Simplify right side
    19,009,339.45x = 1,523,060,778,712,852.50
  5. Step 5: Solve for x
    x = 1,523,060,778,712,852.50/19,009,339.45
  6. Step 6: Final answer
    x = 80,121,709.78

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.