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Finding the Third Proportional to 265,972.50 and 577,156.50

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Solution

The third proportional to 265,972.50 and 577,156.50 is: 1,252,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,972.50 : 577,156.50 = 577,156.50 : x
  2. Step 2: Convert to fraction form
    265,972.50/577,156.50 = 577,156.50/x
  3. Step 3: Cross multiply
    265,972.50x = 577,156.50 × 577,156.50
  4. Step 4: Simplify right side
    265,972.50x = 333,109,625,492.25
  5. Step 5: Solve for x
    x = 333,109,625,492.25/265,972.50
  6. Step 6: Final answer
    x = 1,252,421.30

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.