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Finding the Third Proportional to 40,134,639 and 87,936,894

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Solution

The third proportional to 40,134,639 and 87,936,894 is: 192,673,897.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,134,639 : 87,936,894 = 87,936,894 : x
  2. Step 2: Convert to fraction form
    40,134,639/87,936,894 = 87,936,894/x
  3. Step 3: Cross multiply
    40,134,639x = 87,936,894 × 87,936,894
  4. Step 4: Simplify right side
    40,134,639x = 7,732,897,326,367,236
  5. Step 5: Solve for x
    x = 7,732,897,326,367,236/40,134,639
  6. Step 6: Final answer
    x = 192,673,897.64

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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.