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Finding the Third Proportional to 238,643 and 514,627.75

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Solution

The third proportional to 238,643 and 514,627.75 is: 1,109,782.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,643 : 514,627.75 = 514,627.75 : x
  2. Step 2: Convert to fraction form
    238,643/514,627.75 = 514,627.75/x
  3. Step 3: Cross multiply
    238,643x = 514,627.75 × 514,627.75
  4. Step 4: Simplify right side
    238,643x = 264,841,721,070.06
  5. Step 5: Solve for x
    x = 264,841,721,070.06/238,643
  6. Step 6: Final answer
    x = 1,109,782.06

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.