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Finding the Third Proportional to 153,998,320 and 234,876,263

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Solution

The third proportional to 153,998,320 and 234,876,263 is: 358,230,264.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,998,320 : 234,876,263 = 234,876,263 : x
  2. Step 2: Convert to fraction form
    153,998,320/234,876,263 = 234,876,263/x
  3. Step 3: Cross multiply
    153,998,320x = 234,876,263 × 234,876,263
  4. Step 4: Simplify right side
    153,998,320x = 55,166,858,920,845,168
  5. Step 5: Solve for x
    x = 55,166,858,920,845,168/153,998,320
  6. Step 6: Final answer
    x = 358,230,264.60

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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.