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Finding the Third Proportional to 115,897,408.50 and 248,619,216

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Solution

The third proportional to 115,897,408.50 and 248,619,216 is: 533,329,565.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,897,408.50 : 248,619,216 = 248,619,216 : x
  2. Step 2: Convert to fraction form
    115,897,408.50/248,619,216 = 248,619,216/x
  3. Step 3: Cross multiply
    115,897,408.50x = 248,619,216 × 248,619,216
  4. Step 4: Simplify right side
    115,897,408.50x = 61,811,514,564,454,656
  5. Step 5: Solve for x
    x = 61,811,514,564,454,656/115,897,408.50
  6. Step 6: Final answer
    x = 533,329,565.90

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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.