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Finding the Third Proportional to 66,528 and 101,712

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Solution

The third proportional to 66,528 and 101,712 is: 155,503.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,528 : 101,712 = 101,712 : x
  2. Step 2: Convert to fraction form
    66,528/101,712 = 101,712/x
  3. Step 3: Cross multiply
    66,528x = 101,712 × 101,712
  4. Step 4: Simplify right side
    66,528x = 10,345,330,944
  5. Step 5: Solve for x
    x = 10,345,330,944/66,528
  6. Step 6: Final answer
    x = 155,503.41

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.