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Finding the Third Proportional to 890.63 and 1,948.88

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Solution

The third proportional to 890.63 and 1,948.88 is: 4,264.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    890.63 : 1,948.88 = 1,948.88 : x
  2. Step 2: Convert to fraction form
    890.63/1,948.88 = 1,948.88/x
  3. Step 3: Cross multiply
    890.63x = 1,948.88 × 1,948.88
  4. Step 4: Simplify right side
    890.63x = 3,798,113.77
  5. Step 5: Solve for x
    x = 3,798,113.77/890.63
  6. Step 6: Final answer
    x = 4,264.55

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.