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Finding the Third Proportional to 111,888,328 and 172,801,352

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Solution

The third proportional to 111,888,328 and 172,801,352 is: 266,875,980.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,888,328 : 172,801,352 = 172,801,352 : x
  2. Step 2: Convert to fraction form
    111,888,328/172,801,352 = 172,801,352/x
  3. Step 3: Cross multiply
    111,888,328x = 172,801,352 × 172,801,352
  4. Step 4: Simplify right side
    111,888,328x = 29,860,307,253,027,904
  5. Step 5: Solve for x
    x = 29,860,307,253,027,904/111,888,328
  6. Step 6: Final answer
    x = 266,875,980.60

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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.