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Finding the Third Proportional to 58,916,212,578 and 129,238,907,328

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Solution

The third proportional to 58,916,212,578 and 129,238,907,328 is: 283,499,132,691.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,916,212,578 : 129,238,907,328 = 129,238,907,328 : x
  2. Step 2: Convert to fraction form
    58,916,212,578/129,238,907,328 = 129,238,907,328/x
  3. Step 3: Cross multiply
    58,916,212,578x = 129,238,907,328 × 129,238,907,328
  4. Step 4: Simplify right side
    58,916,212,578x = 16,702,695,167,335,371,636,736
  5. Step 5: Solve for x
    x = 16,702,695,167,335,371,636,736/58,916,212,578
  6. Step 6: Final answer
    x = 283,499,132,691.57

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.