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Finding the Third Proportional to 2,430,400.50 and 5,318,289

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Solution

The third proportional to 2,430,400.50 and 5,318,289 is: 11,637,669.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430,400.50 : 5,318,289 = 5,318,289 : x
  2. Step 2: Convert to fraction form
    2,430,400.50/5,318,289 = 5,318,289/x
  3. Step 3: Cross multiply
    2,430,400.50x = 5,318,289 × 5,318,289
  4. Step 4: Simplify right side
    2,430,400.50x = 28,284,197,887,521
  5. Step 5: Solve for x
    x = 28,284,197,887,521/2,430,400.50
  6. Step 6: Final answer
    x = 11,637,669.55

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.