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Finding the Third Proportional to 28,239,734 and 61,658,320

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Solution

The third proportional to 28,239,734 and 61,658,320 is: 134,624,087.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,239,734 : 61,658,320 = 61,658,320 : x
  2. Step 2: Convert to fraction form
    28,239,734/61,658,320 = 61,658,320/x
  3. Step 3: Cross multiply
    28,239,734x = 61,658,320 × 61,658,320
  4. Step 4: Simplify right side
    28,239,734x = 3,801,748,425,222,400
  5. Step 5: Solve for x
    x = 3,801,748,425,222,400/28,239,734
  6. Step 6: Final answer
    x = 134,624,087.65

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.