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Finding the Third Proportional to 113,889 and 249,227.75

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Solution

The third proportional to 113,889 and 249,227.75 is: 545,394.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,889 : 249,227.75 = 249,227.75 : x
  2. Step 2: Convert to fraction form
    113,889/249,227.75 = 249,227.75/x
  3. Step 3: Cross multiply
    113,889x = 249,227.75 × 249,227.75
  4. Step 4: Simplify right side
    113,889x = 62,114,471,370.06
  5. Step 5: Solve for x
    x = 62,114,471,370.06/113,889
  6. Step 6: Final answer
    x = 545,394.83

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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.