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Finding the Third Proportional to 972.84 and 1,535.63

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Solution

The third proportional to 972.84 and 1,535.63 is: 2,423.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    972.84 : 1,535.63 = 1,535.63 : x
  2. Step 2: Convert to fraction form
    972.84/1,535.63 = 1,535.63/x
  3. Step 3: Cross multiply
    972.84x = 1,535.63 × 1,535.63
  4. Step 4: Simplify right side
    972.84x = 2,358,144.14
  5. Step 5: Solve for x
    x = 2,358,144.14/972.84
  6. Step 6: Final answer
    x = 2,423.97

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.