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Finding the Third Proportional to 35,430 and 52,461

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Solution

The third proportional to 35,430 and 52,461 is: 77,678.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,430 : 52,461 = 52,461 : x
  2. Step 2: Convert to fraction form
    35,430/52,461 = 52,461/x
  3. Step 3: Cross multiply
    35,430x = 52,461 × 52,461
  4. Step 4: Simplify right side
    35,430x = 2,752,156,521
  5. Step 5: Solve for x
    x = 2,752,156,521/35,430
  6. Step 6: Final answer
    x = 77,678.71

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.