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Finding the Third Proportional to 699,432 and 1,525,326

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Solution

The third proportional to 699,432 and 1,525,326 is: 3,326,441.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,432 : 1,525,326 = 1,525,326 : x
  2. Step 2: Convert to fraction form
    699,432/1,525,326 = 1,525,326/x
  3. Step 3: Cross multiply
    699,432x = 1,525,326 × 1,525,326
  4. Step 4: Simplify right side
    699,432x = 2,326,619,406,276
  5. Step 5: Solve for x
    x = 2,326,619,406,276/699,432
  6. Step 6: Final answer
    x = 3,326,441.18

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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.