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Finding the Third Proportional to 916.13 and 1,435.13

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Solution

The third proportional to 916.13 and 1,435.13 is: 2,248.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    916.13 : 1,435.13 = 1,435.13 : x
  2. Step 2: Convert to fraction form
    916.13/1,435.13 = 1,435.13/x
  3. Step 3: Cross multiply
    916.13x = 1,435.13 × 1,435.13
  4. Step 4: Simplify right side
    916.13x = 2,059,583.77
  5. Step 5: Solve for x
    x = 2,059,583.77/916.13
  6. Step 6: Final answer
    x = 2,248.15

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.