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Finding the Third Proportional to 249,543 and 353,089

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Solution

The third proportional to 249,543 and 353,089 is: 499,600.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,543 : 353,089 = 353,089 : x
  2. Step 2: Convert to fraction form
    249,543/353,089 = 353,089/x
  3. Step 3: Cross multiply
    249,543x = 353,089 × 353,089
  4. Step 4: Simplify right side
    249,543x = 124,671,841,921
  5. Step 5: Solve for x
    x = 124,671,841,921/249,543
  6. Step 6: Final answer
    x = 499,600.64

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.