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Finding the Third Proportional to 15,301.13 and 21,547.13

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Solution

The third proportional to 15,301.13 and 21,547.13 is: 30,342.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,301.13 : 21,547.13 = 21,547.13 : x
  2. Step 2: Convert to fraction form
    15,301.13/21,547.13 = 21,547.13/x
  3. Step 3: Cross multiply
    15,301.13x = 21,547.13 × 21,547.13
  4. Step 4: Simplify right side
    15,301.13x = 464,278,595.77
  5. Step 5: Solve for x
    x = 464,278,595.77/15,301.13
  6. Step 6: Final answer
    x = 30,342.78

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.