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Finding the Third Proportional to 9,090 and 14,038.50

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Solution

The third proportional to 9,090 and 14,038.50 is: 21,680.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090 : 14,038.50 = 14,038.50 : x
  2. Step 2: Convert to fraction form
    9,090/14,038.50 = 14,038.50/x
  3. Step 3: Cross multiply
    9,090x = 14,038.50 × 14,038.50
  4. Step 4: Simplify right side
    9,090x = 197,079,482.25
  5. Step 5: Solve for x
    x = 197,079,482.25/9,090
  6. Step 6: Final answer
    x = 21,680.91

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.