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Finding the Third Proportional to 287,554 and 625,492

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Solution

The third proportional to 287,554 and 625,492 is: 1,360,580.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,554 : 625,492 = 625,492 : x
  2. Step 2: Convert to fraction form
    287,554/625,492 = 625,492/x
  3. Step 3: Cross multiply
    287,554x = 625,492 × 625,492
  4. Step 4: Simplify right side
    287,554x = 391,240,242,064
  5. Step 5: Solve for x
    x = 391,240,242,064/287,554
  6. Step 6: Final answer
    x = 1,360,580.07

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.