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Finding the Third Proportional to 113,630 and 249,868

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Solution

The third proportional to 113,630 and 249,868 is: 549,450.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,630 : 249,868 = 249,868 : x
  2. Step 2: Convert to fraction form
    113,630/249,868 = 249,868/x
  3. Step 3: Cross multiply
    113,630x = 249,868 × 249,868
  4. Step 4: Simplify right side
    113,630x = 62,434,017,424
  5. Step 5: Solve for x
    x = 62,434,017,424/113,630
  6. Step 6: Final answer
    x = 549,450.12

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.