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Finding the Third Proportional to 30,717,623.67 and 65,993,894.86

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Solution

The third proportional to 30,717,623.67 and 65,993,894.86 is: 141,781,610.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,717,623.67 : 65,993,894.86 = 65,993,894.86 : x
  2. Step 2: Convert to fraction form
    30,717,623.67/65,993,894.86 = 65,993,894.86/x
  3. Step 3: Cross multiply
    30,717,623.67x = 65,993,894.86 × 65,993,894.86
  4. Step 4: Simplify right side
    30,717,623.67x = 4,355,194,158,710,242
  5. Step 5: Solve for x
    x = 4,355,194,158,710,242/30,717,623.67
  6. Step 6: Final answer
    x = 141,781,610.62

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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.