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Finding the Third Proportional to 972.84 and 1,301.06

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Solution

The third proportional to 972.84 and 1,301.06 is: 1,740.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    972.84 : 1,301.06 = 1,301.06 : x
  2. Step 2: Convert to fraction form
    972.84/1,301.06 = 1,301.06/x
  3. Step 3: Cross multiply
    972.84x = 1,301.06 × 1,301.06
  4. Step 4: Simplify right side
    972.84x = 1,692,763.63
  5. Step 5: Solve for x
    x = 1,692,763.63/972.84
  6. Step 6: Final answer
    x = 1,740.02

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.