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Finding the Third Proportional to 59,749,781.63 and 128,579,742

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Solution

The third proportional to 59,749,781.63 and 128,579,742 is: 276,699,756.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,749,781.63 : 128,579,742 = 128,579,742 : x
  2. Step 2: Convert to fraction form
    59,749,781.63/128,579,742 = 128,579,742/x
  3. Step 3: Cross multiply
    59,749,781.63x = 128,579,742 × 128,579,742
  4. Step 4: Simplify right side
    59,749,781.63x = 16,532,750,052,786,564
  5. Step 5: Solve for x
    x = 16,532,750,052,786,564/59,749,781.63
  6. Step 6: Final answer
    x = 276,699,756.94

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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.