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Finding the Third Proportional to 61,425 and 97,788

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Solution

The third proportional to 61,425 and 97,788 is: 155,677.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,425 : 97,788 = 97,788 : x
  2. Step 2: Convert to fraction form
    61,425/97,788 = 97,788/x
  3. Step 3: Cross multiply
    61,425x = 97,788 × 97,788
  4. Step 4: Simplify right side
    61,425x = 9,562,492,944
  5. Step 5: Solve for x
    x = 9,562,492,944/61,425
  6. Step 6: Final answer
    x = 155,677.54

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.