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Finding the Third Proportional to 40,447,948 and 87,360,262

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Solution

The third proportional to 40,447,948 and 87,360,262 is: 188,682,386.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,447,948 : 87,360,262 = 87,360,262 : x
  2. Step 2: Convert to fraction form
    40,447,948/87,360,262 = 87,360,262/x
  3. Step 3: Cross multiply
    40,447,948x = 87,360,262 × 87,360,262
  4. Step 4: Simplify right side
    40,447,948x = 7,631,815,376,708,644
  5. Step 5: Solve for x
    x = 7,631,815,376,708,644/40,447,948
  6. Step 6: Final answer
    x = 188,682,386.97

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.