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Finding the Third Proportional to 161,032.50 and 249,468.75

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Solution

The third proportional to 161,032.50 and 249,468.75 is: 386,472.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,032.50 : 249,468.75 = 249,468.75 : x
  2. Step 2: Convert to fraction form
    161,032.50/249,468.75 = 249,468.75/x
  3. Step 3: Cross multiply
    161,032.50x = 249,468.75 × 249,468.75
  4. Step 4: Simplify right side
    161,032.50x = 62,234,657,226.56
  5. Step 5: Solve for x
    x = 62,234,657,226.56/161,032.50
  6. Step 6: Final answer
    x = 386,472.65

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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.