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Finding the Third Proportional to 187,434,240 and 403,671,934

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Solution

The third proportional to 187,434,240 and 403,671,934 is: 869,377,069.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,434,240 : 403,671,934 = 403,671,934 : x
  2. Step 2: Convert to fraction form
    187,434,240/403,671,934 = 403,671,934/x
  3. Step 3: Cross multiply
    187,434,240x = 403,671,934 × 403,671,934
  4. Step 4: Simplify right side
    187,434,240x = 162,951,030,299,300,352
  5. Step 5: Solve for x
    x = 162,951,030,299,300,352/187,434,240
  6. Step 6: Final answer
    x = 869,377,069.52

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.