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Finding the Third Proportional to 20,985,006.50 and 45,382,860

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Solution

The third proportional to 20,985,006.50 and 45,382,860 is: 98,146,454.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,985,006.50 : 45,382,860 = 45,382,860 : x
  2. Step 2: Convert to fraction form
    20,985,006.50/45,382,860 = 45,382,860/x
  3. Step 3: Cross multiply
    20,985,006.50x = 45,382,860 × 45,382,860
  4. Step 4: Simplify right side
    20,985,006.50x = 2,059,603,981,779,600
  5. Step 5: Solve for x
    x = 2,059,603,981,779,600/20,985,006.50
  6. Step 6: Final answer
    x = 98,146,454.32

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.