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Finding the Third Proportional to 191,619,597 and 287,110,612.50

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Solution

The third proportional to 191,619,597 and 287,110,612.50 is: 430,188,274.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,619,597 : 287,110,612.50 = 287,110,612.50 : x
  2. Step 2: Convert to fraction form
    191,619,597/287,110,612.50 = 287,110,612.50/x
  3. Step 3: Cross multiply
    191,619,597x = 287,110,612.50 × 287,110,612.50
  4. Step 4: Simplify right side
    191,619,597x = 82,432,503,810,125,152
  5. Step 5: Solve for x
    x = 82,432,503,810,125,152/191,619,597
  6. Step 6: Final answer
    x = 430,188,274.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.