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Finding the Third Proportional to 407,387 and 598,594.50

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Solution

The third proportional to 407,387 and 598,594.50 is: 879,545.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,387 : 598,594.50 = 598,594.50 : x
  2. Step 2: Convert to fraction form
    407,387/598,594.50 = 598,594.50/x
  3. Step 3: Cross multiply
    407,387x = 598,594.50 × 598,594.50
  4. Step 4: Simplify right side
    407,387x = 358,315,375,430.25
  5. Step 5: Solve for x
    x = 358,315,375,430.25/407,387
  6. Step 6: Final answer
    x = 879,545.43

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.