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Finding the Third Proportional to 160,276.50 and 249,157.69

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Solution

The third proportional to 160,276.50 and 249,157.69 is: 387,327.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,276.50 : 249,157.69 = 249,157.69 : x
  2. Step 2: Convert to fraction form
    160,276.50/249,157.69 = 249,157.69/x
  3. Step 3: Cross multiply
    160,276.50x = 249,157.69 × 249,157.69
  4. Step 4: Simplify right side
    160,276.50x = 62,079,553,240.35
  5. Step 5: Solve for x
    x = 62,079,553,240.35/160,276.50
  6. Step 6: Final answer
    x = 387,327.86

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.