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Finding the Third Proportional to 30,758,893.17 and 72,609,264.42

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Solution

The third proportional to 30,758,893.17 and 72,609,264.42 is: 171,401,007.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,758,893.17 : 72,609,264.42 = 72,609,264.42 : x
  2. Step 2: Convert to fraction form
    30,758,893.17/72,609,264.42 = 72,609,264.42/x
  3. Step 3: Cross multiply
    30,758,893.17x = 72,609,264.42 × 72,609,264.42
  4. Step 4: Simplify right side
    30,758,893.17x = 5,272,105,279,885,328
  5. Step 5: Solve for x
    x = 5,272,105,279,885,328/30,758,893.17
  6. Step 6: Final answer
    x = 171,401,007.52

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.