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Finding the Third Proportional to 31,295,382 and 47,872,479

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Solution

The third proportional to 31,295,382 and 47,872,479 is: 73,230,428.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,295,382 : 47,872,479 = 47,872,479 : x
  2. Step 2: Convert to fraction form
    31,295,382/47,872,479 = 47,872,479/x
  3. Step 3: Cross multiply
    31,295,382x = 47,872,479 × 47,872,479
  4. Step 4: Simplify right side
    31,295,382x = 2,291,774,245,605,441
  5. Step 5: Solve for x
    x = 2,291,774,245,605,441/31,295,382
  6. Step 6: Final answer
    x = 73,230,428.87

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.