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Finding the Third Proportional to 97,528 and 212,916

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Solution

The third proportional to 97,528 and 212,916 is: 464,822.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,528 : 212,916 = 212,916 : x
  2. Step 2: Convert to fraction form
    97,528/212,916 = 212,916/x
  3. Step 3: Cross multiply
    97,528x = 212,916 × 212,916
  4. Step 4: Simplify right side
    97,528x = 45,333,223,056
  5. Step 5: Solve for x
    x = 45,333,223,056/97,528
  6. Step 6: Final answer
    x = 464,822.65

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.