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Finding the Third Proportional to 66,885,038 and 103,371,249

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Solution

The third proportional to 66,885,038 and 103,371,249 is: 159,760,918.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,885,038 : 103,371,249 = 103,371,249 : x
  2. Step 2: Convert to fraction form
    66,885,038/103,371,249 = 103,371,249/x
  3. Step 3: Cross multiply
    66,885,038x = 103,371,249 × 103,371,249
  4. Step 4: Simplify right side
    66,885,038x = 10,685,615,119,820,000
  5. Step 5: Solve for x
    x = 10,685,615,119,820,000/66,885,038
  6. Step 6: Final answer
    x = 159,760,918.72

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.