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Finding the Third Proportional to 985.50 and 1,526.06

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Solution

The third proportional to 985.50 and 1,526.06 is: 2,363.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    985.50 : 1,526.06 = 1,526.06 : x
  2. Step 2: Convert to fraction form
    985.50/1,526.06 = 1,526.06/x
  3. Step 3: Cross multiply
    985.50x = 1,526.06 × 1,526.06
  4. Step 4: Simplify right side
    985.50x = 2,328,866.75
  5. Step 5: Solve for x
    x = 2,328,866.75/985.50
  6. Step 6: Final answer
    x = 2,363.13

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.