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Finding the Third Proportional to 19,886,647.50 and 31,440,332.25

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Solution

The third proportional to 19,886,647.50 and 31,440,332.25 is: 49,706,442.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,886,647.50 : 31,440,332.25 = 31,440,332.25 : x
  2. Step 2: Convert to fraction form
    19,886,647.50/31,440,332.25 = 31,440,332.25/x
  3. Step 3: Cross multiply
    19,886,647.50x = 31,440,332.25 × 31,440,332.25
  4. Step 4: Simplify right side
    19,886,647.50x = 988,494,491,990,390
  5. Step 5: Solve for x
    x = 988,494,491,990,390/19,886,647.50
  6. Step 6: Final answer
    x = 49,706,442.07

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.