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Finding the Third Proportional to 30,872,544 and 45,383,904

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Solution

The third proportional to 30,872,544 and 45,383,904 is: 66,716,197.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,872,544 : 45,383,904 = 45,383,904 : x
  2. Step 2: Convert to fraction form
    30,872,544/45,383,904 = 45,383,904/x
  3. Step 3: Cross multiply
    30,872,544x = 45,383,904 × 45,383,904
  4. Step 4: Simplify right side
    30,872,544x = 2,059,698,742,281,216
  5. Step 5: Solve for x
    x = 2,059,698,742,281,216/30,872,544
  6. Step 6: Final answer
    x = 66,716,197.48

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.