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Finding the Third Proportional to 163,000.13 and 249,343.31

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Solution

The third proportional to 163,000.13 and 249,343.31 is: 381,423.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,000.13 : 249,343.31 = 249,343.31 : x
  2. Step 2: Convert to fraction form
    163,000.13/249,343.31 = 249,343.31/x
  3. Step 3: Cross multiply
    163,000.13x = 249,343.31 × 249,343.31
  4. Step 4: Simplify right side
    163,000.13x = 62,172,087,488.47
  5. Step 5: Solve for x
    x = 62,172,087,488.47/163,000.13
  6. Step 6: Final answer
    x = 381,423.56

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.