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Finding the Third Proportional to 387,038.25 and 569,176.88

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Solution

The third proportional to 387,038.25 and 569,176.88 is: 837,029.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,038.25 : 569,176.88 = 569,176.88 : x
  2. Step 2: Convert to fraction form
    387,038.25/569,176.88 = 569,176.88/x
  3. Step 3: Cross multiply
    387,038.25x = 569,176.88 × 569,176.88
  4. Step 4: Simplify right side
    387,038.25x = 323,962,315,034.77
  5. Step 5: Solve for x
    x = 323,962,315,034.77/387,038.25
  6. Step 6: Final answer
    x = 837,029.20

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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.