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Finding the Third Proportional to 69,628 and 101,507

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Solution

The third proportional to 69,628 and 101,507 is: 147,981.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,628 : 101,507 = 101,507 : x
  2. Step 2: Convert to fraction form
    69,628/101,507 = 101,507/x
  3. Step 3: Cross multiply
    69,628x = 101,507 × 101,507
  4. Step 4: Simplify right side
    69,628x = 10,303,671,049
  5. Step 5: Solve for x
    x = 10,303,671,049/69,628
  6. Step 6: Final answer
    x = 147,981.72

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.