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Finding the Third Proportional to 39,672,390 and 61,277,272.50

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Solution

The third proportional to 39,672,390 and 61,277,272.50 is: 94,647,792.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,672,390 : 61,277,272.50 = 61,277,272.50 : x
  2. Step 2: Convert to fraction form
    39,672,390/61,277,272.50 = 61,277,272.50/x
  3. Step 3: Cross multiply
    39,672,390x = 61,277,272.50 × 61,277,272.50
  4. Step 4: Simplify right side
    39,672,390x = 3,754,904,125,039,256
  5. Step 5: Solve for x
    x = 3,754,904,125,039,256/39,672,390
  6. Step 6: Final answer
    x = 94,647,792.21

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.