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Finding the Third Proportional to 7,020 and 10,869.19

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Solution

The third proportional to 7,020 and 10,869.19 is: 16,828.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020 : 10,869.19 = 10,869.19 : x
  2. Step 2: Convert to fraction form
    7,020/10,869.19 = 10,869.19/x
  3. Step 3: Cross multiply
    7,020x = 10,869.19 × 10,869.19
  4. Step 4: Simplify right side
    7,020x = 118,139,236.91
  5. Step 5: Solve for x
    x = 118,139,236.91/7,020
  6. Step 6: Final answer
    x = 16,828.95

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1.5x scale

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.